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Finding the Fourth Proportional to 232,151.30, 347,898.90 and 143,140.40

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Solution

The fourth proportional to 232,151.30, 347,898.90 and 143,140.40 is: 214,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,151.30 : 347,898.90 = 143,140.40 : x
  2. Step 2: Convert to fraction form
    232,151.30/347,898.90 = 143,140.40/x
  3. Step 3: Cross multiply
    232,151.30x = 347,898.90 × 143,140.40
  4. Step 4: Simplify right side
    232,151.30x = 49,798,387,705.56
  5. Step 5: Solve for x
    x = 49,798,387,705.56/232,151.30
  6. Step 6: Final answer
    x = 214,508.33

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1.5x scale

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.