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Finding the Fourth Proportional to 178,509.55, 267,773.23 and 58,555.84

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Solution

The fourth proportional to 178,509.55, 267,773.23 and 58,555.84 is: 87,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,509.55 : 267,773.23 = 58,555.84 : x
  2. Step 2: Convert to fraction form
    178,509.55/267,773.23 = 58,555.84/x
  3. Step 3: Cross multiply
    178,509.55x = 267,773.23 × 58,555.84
  4. Step 4: Simplify right side
    178,509.55x = 15,679,686,412.16
  5. Step 5: Solve for x
    x = 15,679,686,412.16/178,509.55
  6. Step 6: Final answer
    x = 87,836.68

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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.