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Finding the Fourth Proportional to 363,979.98, 545,637.33 and 308,179.62

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Solution

The fourth proportional to 363,979.98, 545,637.33 and 308,179.62 is: 461,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,979.98 : 545,637.33 = 308,179.62 : x
  2. Step 2: Convert to fraction form
    363,979.98/545,637.33 = 308,179.62/x
  3. Step 3: Cross multiply
    363,979.98x = 545,637.33 × 308,179.62
  4. Step 4: Simplify right side
    363,979.98x = 168,154,305,017.22
  5. Step 5: Solve for x
    x = 168,154,305,017.22/363,979.98
  6. Step 6: Final answer
    x = 461,987.79

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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.