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Finding the Fourth Proportional to 240,612.87, 360,969.12 and 72,126.39

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Solution

The fourth proportional to 240,612.87, 360,969.12 and 72,126.39 is: 108,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,612.87 : 360,969.12 = 72,126.39 : x
  2. Step 2: Convert to fraction form
    240,612.87/360,969.12 = 72,126.39/x
  3. Step 3: Cross multiply
    240,612.87x = 360,969.12 × 72,126.39
  4. Step 4: Simplify right side
    240,612.87x = 26,035,399,527.08
  5. Step 5: Solve for x
    x = 26,035,399,527.08/240,612.87
  6. Step 6: Final answer
    x = 108,204.52

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1.5x scale

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.