Home / 387,344.41-581,050.09-106,861.66

Finding the Fourth Proportional to 387,344.41, 581,050.09 and 106,861.66

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Solution

The fourth proportional to 387,344.41, 581,050.09 and 106,861.66 is: 160,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,344.41 : 581,050.09 = 106,861.66 : x
  2. Step 2: Convert to fraction form
    387,344.41/581,050.09 = 106,861.66/x
  3. Step 3: Cross multiply
    387,344.41x = 581,050.09 × 106,861.66
  4. Step 4: Simplify right side
    387,344.41x = 62,091,975,841.50
  5. Step 5: Solve for x
    x = 62,091,975,841.50/387,344.41
  6. Step 6: Final answer
    x = 160,301.72

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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.