Home / 387,984.60-581,975.28-107,501.04

Finding the Fourth Proportional to 387,984.60, 581,975.28 and 107,501.04

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Solution

The fourth proportional to 387,984.60, 581,975.28 and 107,501.04 is: 161,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,984.60 : 581,975.28 = 107,501.04 : x
  2. Step 2: Convert to fraction form
    387,984.60/581,975.28 = 107,501.04/x
  3. Step 3: Cross multiply
    387,984.60x = 581,975.28 × 107,501.04
  4. Step 4: Simplify right side
    387,984.60x = 62,562,947,854.29
  5. Step 5: Solve for x
    x = 62,562,947,854.29/387,984.60
  6. Step 6: Final answer
    x = 161,251.11

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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.