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Finding the Fourth Proportional to 256,244.70, 384,367.05 and 252,308.10

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Solution

The fourth proportional to 256,244.70, 384,367.05 and 252,308.10 is: 378,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244.70 : 384,367.05 = 252,308.10 : x
  2. Step 2: Convert to fraction form
    256,244.70/384,367.05 = 252,308.10/x
  3. Step 3: Cross multiply
    256,244.70x = 384,367.05 × 252,308.10
  4. Step 4: Simplify right side
    256,244.70x = 96,978,920,088.11
  5. Step 5: Solve for x
    x = 96,978,920,088.11/256,244.70
  6. Step 6: Final answer
    x = 378,462.15

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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.