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Finding the Fourth Proportional to 240,366.06, 360,294.86 and 90,541.54

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Solution

The fourth proportional to 240,366.06, 360,294.86 and 90,541.54 is: 135,716.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,366.06 : 360,294.86 = 90,541.54 : x
  2. Step 2: Convert to fraction form
    240,366.06/360,294.86 = 90,541.54/x
  3. Step 3: Cross multiply
    240,366.06x = 360,294.86 × 90,541.54
  4. Step 4: Simplify right side
    240,366.06x = 32,621,651,478.48
  5. Step 5: Solve for x
    x = 32,621,651,478.48/240,366.06
  6. Step 6: Final answer
    x = 135,716.55

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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.