Home / 402,022.49-554,791.46-238,711.59

Finding the Fourth Proportional to 402,022.49, 554,791.46 and 238,711.59

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Solution

The fourth proportional to 402,022.49, 554,791.46 and 238,711.59 is: 329,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,022.49 : 554,791.46 = 238,711.59 : x
  2. Step 2: Convert to fraction form
    402,022.49/554,791.46 = 238,711.59/x
  3. Step 3: Cross multiply
    402,022.49x = 554,791.46 × 238,711.59
  4. Step 4: Simplify right side
    402,022.49x = 132,435,151,535.02
  5. Step 5: Solve for x
    x = 132,435,151,535.02/402,022.49
  6. Step 6: Final answer
    x = 329,422.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.