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Finding the Fourth Proportional to 438,480.46, 605,098.45 and 247,501.90

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Solution

The fourth proportional to 438,480.46, 605,098.45 and 247,501.90 is: 341,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,480.46 : 605,098.45 = 247,501.90 : x
  2. Step 2: Convert to fraction form
    438,480.46/605,098.45 = 247,501.90/x
  3. Step 3: Cross multiply
    438,480.46x = 605,098.45 × 247,501.90
  4. Step 4: Simplify right side
    438,480.46x = 149,763,017,127.81
  5. Step 5: Solve for x
    x = 149,763,017,127.81/438,480.46
  6. Step 6: Final answer
    x = 341,550.04

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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.