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Finding the Fourth Proportional to 234,036.34, 351,079.11 and 76,227.89

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Solution

The fourth proportional to 234,036.34, 351,079.11 and 76,227.89 is: 114,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,036.34 : 351,079.11 = 76,227.89 : x
  2. Step 2: Convert to fraction form
    234,036.34/351,079.11 = 76,227.89/x
  3. Step 3: Cross multiply
    234,036.34x = 351,079.11 × 76,227.89
  4. Step 4: Simplify right side
    234,036.34x = 26,762,018,022.98
  5. Step 5: Solve for x
    x = 26,762,018,022.98/234,036.34
  6. Step 6: Final answer
    x = 114,349.84

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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.