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Finding the Fourth Proportional to 369,205.78, 553,808.60 and 88,723.03

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Solution

The fourth proportional to 369,205.78, 553,808.60 and 88,723.03 is: 133,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,205.78 : 553,808.60 = 88,723.03 : x
  2. Step 2: Convert to fraction form
    369,205.78/553,808.60 = 88,723.03/x
  3. Step 3: Cross multiply
    369,205.78x = 553,808.60 × 88,723.03
  4. Step 4: Simplify right side
    369,205.78x = 49,135,573,819.40
  5. Step 5: Solve for x
    x = 49,135,573,819.40/369,205.78
  6. Step 6: Final answer
    x = 133,084.52

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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.