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Finding the Fourth Proportional to 376,951.68, 565,454.97 and 140,294.28

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Solution

The fourth proportional to 376,951.68, 565,454.97 and 140,294.28 is: 210,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,951.68 : 565,454.97 = 140,294.28 : x
  2. Step 2: Convert to fraction form
    376,951.68/565,454.97 = 140,294.28/x
  3. Step 3: Cross multiply
    376,951.68x = 565,454.97 × 140,294.28
  4. Step 4: Simplify right side
    376,951.68x = 79,330,097,888.57
  5. Step 5: Solve for x
    x = 79,330,097,888.57/376,951.68
  6. Step 6: Final answer
    x = 210,451.64

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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.