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Finding the Fourth Proportional to 284,603.58, 426,951.45 and 87,565.50

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Solution

The fourth proportional to 284,603.58, 426,951.45 and 87,565.50 is: 131,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,603.58 : 426,951.45 = 87,565.50 : x
  2. Step 2: Convert to fraction form
    284,603.58/426,951.45 = 87,565.50/x
  3. Step 3: Cross multiply
    284,603.58x = 426,951.45 × 87,565.50
  4. Step 4: Simplify right side
    284,603.58x = 37,386,217,194.98
  5. Step 5: Solve for x
    x = 37,386,217,194.98/284,603.58
  6. Step 6: Final answer
    x = 131,362.43

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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.