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Finding the Fourth Proportional to 255,327.30, 382,877.70 and 97,445.34

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Solution

The fourth proportional to 255,327.30, 382,877.70 and 97,445.34 is: 146,124.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,327.30 : 382,877.70 = 97,445.34 : x
  2. Step 2: Convert to fraction form
    255,327.30/382,877.70 = 97,445.34/x
  3. Step 3: Cross multiply
    255,327.30x = 382,877.70 × 97,445.34
  4. Step 4: Simplify right side
    255,327.30x = 37,309,647,654.92
  5. Step 5: Solve for x
    x = 37,309,647,654.92/255,327.30
  6. Step 6: Final answer
    x = 146,124.79

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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.