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Finding the Fourth Proportional to 182,088, 273,180.60 and 57,429

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Solution

The fourth proportional to 182,088, 273,180.60 and 57,429 is: 86,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,088 : 273,180.60 = 57,429 : x
  2. Step 2: Convert to fraction form
    182,088/273,180.60 = 57,429/x
  3. Step 3: Cross multiply
    182,088x = 273,180.60 × 57,429
  4. Step 4: Simplify right side
    182,088x = 15,688,488,677.40
  5. Step 5: Solve for x
    x = 15,688,488,677.40/182,088
  6. Step 6: Final answer
    x = 86,158.83

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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.