Home / 347,114.76-521,154-178,755.45

Finding the Fourth Proportional to 347,114.76, 521,154 and 178,755.45

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Solution

The fourth proportional to 347,114.76, 521,154 and 178,755.45 is: 268,381.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,114.76 : 521,154 = 178,755.45 : x
  2. Step 2: Convert to fraction form
    347,114.76/521,154 = 178,755.45/x
  3. Step 3: Cross multiply
    347,114.76x = 521,154 × 178,755.45
  4. Step 4: Simplify right side
    347,114.76x = 93,159,117,789.30
  5. Step 5: Solve for x
    x = 93,159,117,789.30/347,114.76
  6. Step 6: Final answer
    x = 268,381.32

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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.