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Finding the Fourth Proportional to 234,460.80, 351,691.20 and 224,222.40

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Solution

The fourth proportional to 234,460.80, 351,691.20 and 224,222.40 is: 336,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,460.80 : 351,691.20 = 224,222.40 : x
  2. Step 2: Convert to fraction form
    234,460.80/351,691.20 = 224,222.40/x
  3. Step 3: Cross multiply
    234,460.80x = 351,691.20 × 224,222.40
  4. Step 4: Simplify right side
    234,460.80x = 78,857,044,922.88
  5. Step 5: Solve for x
    x = 78,857,044,922.88/234,460.80
  6. Step 6: Final answer
    x = 336,333.60

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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.