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Finding the Fourth Proportional to 373,817.23, 560,151.65 and 253,718.12

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Solution

The fourth proportional to 373,817.23, 560,151.65 and 253,718.12 is: 380,187.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,817.23 : 560,151.65 = 253,718.12 : x
  2. Step 2: Convert to fraction form
    373,817.23/560,151.65 = 253,718.12/x
  3. Step 3: Cross multiply
    373,817.23x = 560,151.65 × 253,718.12
  4. Step 4: Simplify right side
    373,817.23x = 142,120,625,587.57
  5. Step 5: Solve for x
    x = 142,120,625,587.57/373,817.23
  6. Step 6: Final answer
    x = 380,187.47

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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.