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Finding the Fourth Proportional to 373,380.75, 560,143.26 and 160,118.91

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Solution

The fourth proportional to 373,380.75, 560,143.26 and 160,118.91 is: 240,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,380.75 : 560,143.26 = 160,118.91 : x
  2. Step 2: Convert to fraction form
    373,380.75/560,143.26 = 160,118.91/x
  3. Step 3: Cross multiply
    373,380.75x = 560,143.26 × 160,118.91
  4. Step 4: Simplify right side
    373,380.75x = 89,689,528,235.05
  5. Step 5: Solve for x
    x = 89,689,528,235.05/373,380.75
  6. Step 6: Final answer
    x = 240,209.30

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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.