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Finding the Fourth Proportional to 360,247.86, 540,382.72 and 123,587.12

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Solution

The fourth proportional to 360,247.86, 540,382.72 and 123,587.12 is: 185,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,247.86 : 540,382.72 = 123,587.12 : x
  2. Step 2: Convert to fraction form
    360,247.86/540,382.72 = 123,587.12/x
  3. Step 3: Cross multiply
    360,247.86x = 540,382.72 × 123,587.12
  4. Step 4: Simplify right side
    360,247.86x = 66,784,344,062.57
  5. Step 5: Solve for x
    x = 66,784,344,062.57/360,247.86
  6. Step 6: Final answer
    x = 185,384.43

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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.