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Finding the Fourth Proportional to 365,274.55, 547,966.26 and 112,533.90

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Solution

The fourth proportional to 365,274.55, 547,966.26 and 112,533.90 is: 168,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,274.55 : 547,966.26 = 112,533.90 : x
  2. Step 2: Convert to fraction form
    365,274.55/547,966.26 = 112,533.90/x
  3. Step 3: Cross multiply
    365,274.55x = 547,966.26 × 112,533.90
  4. Step 4: Simplify right side
    365,274.55x = 61,664,780,306.21
  5. Step 5: Solve for x
    x = 61,664,780,306.21/365,274.55
  6. Step 6: Final answer
    x = 168,817.62

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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.