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Finding the Fourth Proportional to 438,245.57, 604,766.61 and 247,276.73

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Solution

The fourth proportional to 438,245.57, 604,766.61 and 247,276.73 is: 341,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,245.57 : 604,766.61 = 247,276.73 : x
  2. Step 2: Convert to fraction form
    438,245.57/604,766.61 = 247,276.73/x
  3. Step 3: Cross multiply
    438,245.57x = 604,766.61 × 247,276.73
  4. Step 4: Simplify right side
    438,245.57x = 149,544,706,710.15
  5. Step 5: Solve for x
    x = 149,544,706,710.15/438,245.57
  6. Step 6: Final answer
    x = 341,234.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.