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Finding the Fourth Proportional to 164,874.78, 247,330.08 and 52,528.59

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Solution

The fourth proportional to 164,874.78, 247,330.08 and 52,528.59 is: 78,798.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,874.78 : 247,330.08 = 52,528.59 : x
  2. Step 2: Convert to fraction form
    164,874.78/247,330.08 = 52,528.59/x
  3. Step 3: Cross multiply
    164,874.78x = 247,330.08 × 52,528.59
  4. Step 4: Simplify right side
    164,874.78x = 12,991,900,366.99
  5. Step 5: Solve for x
    x = 12,991,900,366.99/164,874.78
  6. Step 6: Final answer
    x = 78,798.59

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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.