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Finding the Fourth Proportional to 317,926.50, 476,963.60 and 93,277.86

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Solution

The fourth proportional to 317,926.50, 476,963.60 and 93,277.86 is: 139,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,926.50 : 476,963.60 = 93,277.86 : x
  2. Step 2: Convert to fraction form
    317,926.50/476,963.60 = 93,277.86/x
  3. Step 3: Cross multiply
    317,926.50x = 476,963.60 × 93,277.86
  4. Step 4: Simplify right side
    317,926.50x = 44,490,143,905.90
  5. Step 5: Solve for x
    x = 44,490,143,905.90/317,926.50
  6. Step 6: Final answer
    x = 139,938.46

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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.