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Finding the Fourth Proportional to 254,818.70, 382,230.36 and 77,325.71

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Solution

The fourth proportional to 254,818.70, 382,230.36 and 77,325.71 is: 115,989.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,818.70 : 382,230.36 = 77,325.71 : x
  2. Step 2: Convert to fraction form
    254,818.70/382,230.36 = 77,325.71/x
  3. Step 3: Cross multiply
    254,818.70x = 382,230.36 × 77,325.71
  4. Step 4: Simplify right side
    254,818.70x = 29,556,234,926.13
  5. Step 5: Solve for x
    x = 29,556,234,926.13/254,818.70
  6. Step 6: Final answer
    x = 115,989.27

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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.