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Finding the Fourth Proportional to 485,799.04, 670,403.87 and 270,953.02

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Solution

The fourth proportional to 485,799.04, 670,403.87 and 270,953.02 is: 373,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,799.04 : 670,403.87 = 270,953.02 : x
  2. Step 2: Convert to fraction form
    485,799.04/670,403.87 = 270,953.02/x
  3. Step 3: Cross multiply
    485,799.04x = 670,403.87 × 270,953.02
  4. Step 4: Simplify right side
    485,799.04x = 181,647,951,841.42
  5. Step 5: Solve for x
    x = 181,647,951,841.42/485,799.04
  6. Step 6: Final answer
    x = 373,915.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.