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Finding the Fourth Proportional to 257,454.60, 385,404.30 and 226,350.60

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Solution

The fourth proportional to 257,454.60, 385,404.30 and 226,350.60 is: 338,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,454.60 : 385,404.30 = 226,350.60 : x
  2. Step 2: Convert to fraction form
    257,454.60/385,404.30 = 226,350.60/x
  3. Step 3: Cross multiply
    257,454.60x = 385,404.30 × 226,350.60
  4. Step 4: Simplify right side
    257,454.60x = 87,236,494,547.58
  5. Step 5: Solve for x
    x = 87,236,494,547.58/257,454.60
  6. Step 6: Final answer
    x = 338,842.24

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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.