Home / 292,215.40-438,323.10-166,244.20

Finding the Fourth Proportional to 292,215.40, 438,323.10 and 166,244.20

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Solution

The fourth proportional to 292,215.40, 438,323.10 and 166,244.20 is: 249,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,215.40 : 438,323.10 = 166,244.20 : x
  2. Step 2: Convert to fraction form
    292,215.40/438,323.10 = 166,244.20/x
  3. Step 3: Cross multiply
    292,215.40x = 438,323.10 × 166,244.20
  4. Step 4: Simplify right side
    292,215.40x = 72,868,673,101.02
  5. Step 5: Solve for x
    x = 72,868,673,101.02/292,215.40
  6. Step 6: Final answer
    x = 249,366.30

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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.