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Finding the Fourth Proportional to 304,449.60, 455,799.60 and 272,956.80

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Solution

The fourth proportional to 304,449.60, 455,799.60 and 272,956.80 is: 408,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,449.60 : 455,799.60 = 272,956.80 : x
  2. Step 2: Convert to fraction form
    304,449.60/455,799.60 = 272,956.80/x
  3. Step 3: Cross multiply
    304,449.60x = 455,799.60 × 272,956.80
  4. Step 4: Simplify right side
    304,449.60x = 124,413,600,257.28
  5. Step 5: Solve for x
    x = 124,413,600,257.28/304,449.60
  6. Step 6: Final answer
    x = 408,650.89

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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.