Home / 890,112.16-1,335,149.41-216,196.62

Finding the Fourth Proportional to 890,112.16, 1,335,149.41 and 216,196.62

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Solution

The fourth proportional to 890,112.16, 1,335,149.41 and 216,196.62 is: 324,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,112.16 : 1,335,149.41 = 216,196.62 : x
  2. Step 2: Convert to fraction form
    890,112.16/1,335,149.41 = 216,196.62/x
  3. Step 3: Cross multiply
    890,112.16x = 1,335,149.41 × 216,196.62
  4. Step 4: Simplify right side
    890,112.16x = 288,654,789,636.99
  5. Step 5: Solve for x
    x = 288,654,789,636.99/890,112.16
  6. Step 6: Final answer
    x = 324,290.36

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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.