Home / 316,003.90-472,841.07-189,720.85

Finding the Fourth Proportional to 316,003.90, 472,841.07 and 189,720.85

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Solution

The fourth proportional to 316,003.90, 472,841.07 and 189,720.85 is: 283,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,003.90 : 472,841.07 = 189,720.85 : x
  2. Step 2: Convert to fraction form
    316,003.90/472,841.07 = 189,720.85/x
  3. Step 3: Cross multiply
    316,003.90x = 472,841.07 × 189,720.85
  4. Step 4: Simplify right side
    316,003.90x = 89,707,809,715.31
  5. Step 5: Solve for x
    x = 89,707,809,715.31/316,003.90
  6. Step 6: Final answer
    x = 283,881.97

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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.