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Finding the Fourth Proportional to 306,000.60, 458,126.10 and 274,507.80

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Solution

The fourth proportional to 306,000.60, 458,126.10 and 274,507.80 is: 410,976.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,000.60 : 458,126.10 = 274,507.80 : x
  2. Step 2: Convert to fraction form
    306,000.60/458,126.10 = 274,507.80/x
  3. Step 3: Cross multiply
    306,000.60x = 458,126.10 × 274,507.80
  4. Step 4: Simplify right side
    306,000.60x = 125,759,187,833.58
  5. Step 5: Solve for x
    x = 125,759,187,833.58/306,000.60
  6. Step 6: Final answer
    x = 410,976.93

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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.