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Finding the Fourth Proportional to 438,598.92, 605,254.50 and 247,630.08

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Solution

The fourth proportional to 438,598.92, 605,254.50 and 247,630.08 is: 341,722.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,598.92 : 605,254.50 = 247,630.08 : x
  2. Step 2: Convert to fraction form
    438,598.92/605,254.50 = 247,630.08/x
  3. Step 3: Cross multiply
    438,598.92x = 605,254.50 × 247,630.08
  4. Step 4: Simplify right side
    438,598.92x = 149,879,220,255.36
  5. Step 5: Solve for x
    x = 149,879,220,255.36/438,598.92
  6. Step 6: Final answer
    x = 341,722.73

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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.