Home / 314,916.20-472,372.43-115,250.39

Finding the Fourth Proportional to 314,916.20, 472,372.43 and 115,250.39

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Solution

The fourth proportional to 314,916.20, 472,372.43 and 115,250.39 is: 172,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,916.20 : 472,372.43 = 115,250.39 : x
  2. Step 2: Convert to fraction form
    314,916.20/472,372.43 = 115,250.39/x
  3. Step 3: Cross multiply
    314,916.20x = 472,372.43 × 115,250.39
  4. Step 4: Simplify right side
    314,916.20x = 54,441,103,844.63
  5. Step 5: Solve for x
    x = 54,441,103,844.63/314,916.20
  6. Step 6: Final answer
    x = 172,874.89

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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.