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Finding the Fourth Proportional to 360,245.86, 540,379.72 and 123,585.13

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Solution

The fourth proportional to 360,245.86, 540,379.72 and 123,585.13 is: 185,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,245.86 : 540,379.72 = 123,585.13 : x
  2. Step 2: Convert to fraction form
    360,245.86/540,379.72 = 123,585.13/x
  3. Step 3: Cross multiply
    360,245.86x = 540,379.72 × 123,585.13
  4. Step 4: Simplify right side
    360,245.86x = 66,782,894,934.70
  5. Step 5: Solve for x
    x = 66,782,894,934.70/360,245.86
  6. Step 6: Final answer
    x = 185,381.44

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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.