Home / 439,256.14-658,895.01-123,710.92

Finding the Fourth Proportional to 439,256.14, 658,895.01 and 123,710.92

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Solution

The fourth proportional to 439,256.14, 658,895.01 and 123,710.92 is: 185,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,256.14 : 658,895.01 = 123,710.92 : x
  2. Step 2: Convert to fraction form
    439,256.14/658,895.01 = 123,710.92/x
  3. Step 3: Cross multiply
    439,256.14x = 658,895.01 × 123,710.92
  4. Step 4: Simplify right side
    439,256.14x = 81,512,507,870.51
  5. Step 5: Solve for x
    x = 81,512,507,870.51/439,256.14
  6. Step 6: Final answer
    x = 185,569.42

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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.