Home / 458,318.93-687,515.13-174,145.59

Finding the Fourth Proportional to 458,318.93, 687,515.13 and 174,145.59

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Solution

The fourth proportional to 458,318.93, 687,515.13 and 174,145.59 is: 261,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,318.93 : 687,515.13 = 174,145.59 : x
  2. Step 2: Convert to fraction form
    458,318.93/687,515.13 = 174,145.59/x
  3. Step 3: Cross multiply
    458,318.93x = 687,515.13 × 174,145.59
  4. Step 4: Simplify right side
    458,318.93x = 119,727,727,947.78
  5. Step 5: Solve for x
    x = 119,727,727,947.78/458,318.93
  6. Step 6: Final answer
    x = 261,232.35

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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.