Home / 608,948.20-913,422.30-188,223.40

Finding the Fourth Proportional to 608,948.20, 913,422.30 and 188,223.40

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Solution

The fourth proportional to 608,948.20, 913,422.30 and 188,223.40 is: 282,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,948.20 : 913,422.30 = 188,223.40 : x
  2. Step 2: Convert to fraction form
    608,948.20/913,422.30 = 188,223.40/x
  3. Step 3: Cross multiply
    608,948.20x = 913,422.30 × 188,223.40
  4. Step 4: Simplify right side
    608,948.20x = 171,927,450,941.82
  5. Step 5: Solve for x
    x = 171,927,450,941.82/608,948.20
  6. Step 6: Final answer
    x = 282,335.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.