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Finding the Fourth Proportional to 415,893.88, 573,930.66 and 224,904.52

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Solution

The fourth proportional to 415,893.88, 573,930.66 and 224,904.52 is: 310,366.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,893.88 : 573,930.66 = 224,904.52 : x
  2. Step 2: Convert to fraction form
    415,893.88/573,930.66 = 224,904.52/x
  3. Step 3: Cross multiply
    415,893.88x = 573,930.66 × 224,904.52
  4. Step 4: Simplify right side
    415,893.88x = 129,079,599,600.58
  5. Step 5: Solve for x
    x = 129,079,599,600.58/415,893.88
  6. Step 6: Final answer
    x = 310,366.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.