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Finding the Fourth Proportional to 234,431.35, 351,695.61 and 94,200.91

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Solution

The fourth proportional to 234,431.35, 351,695.61 and 94,200.91 is: 141,320.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,431.35 : 351,695.61 = 94,200.91 : x
  2. Step 2: Convert to fraction form
    234,431.35/351,695.61 = 94,200.91/x
  3. Step 3: Cross multiply
    234,431.35x = 351,695.61 × 94,200.91
  4. Step 4: Simplify right side
    234,431.35x = 33,130,045,625.77
  5. Step 5: Solve for x
    x = 33,130,045,625.77/234,431.35
  6. Step 6: Final answer
    x = 141,320.89

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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.