Home / 257,331.71-386,075.73-124,187.15

Finding the Fourth Proportional to 257,331.71, 386,075.73 and 124,187.15

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Solution

The fourth proportional to 257,331.71, 386,075.73 and 124,187.15 is: 186,318.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,331.71 : 386,075.73 = 124,187.15 : x
  2. Step 2: Convert to fraction form
    257,331.71/386,075.73 = 124,187.15/x
  3. Step 3: Cross multiply
    257,331.71x = 386,075.73 × 124,187.15
  4. Step 4: Simplify right side
    257,331.71x = 47,945,644,592.87
  5. Step 5: Solve for x
    x = 47,945,644,592.87/257,331.71
  6. Step 6: Final answer
    x = 186,318.45

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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.