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Finding the Fourth Proportional to 491,081.04, 736,618.30 and 126,342.08

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Solution

The fourth proportional to 491,081.04, 736,618.30 and 126,342.08 is: 189,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,081.04 : 736,618.30 = 126,342.08 : x
  2. Step 2: Convert to fraction form
    491,081.04/736,618.30 = 126,342.08/x
  3. Step 3: Cross multiply
    491,081.04x = 736,618.30 × 126,342.08
  4. Step 4: Simplify right side
    491,081.04x = 93,065,888,188.06
  5. Step 5: Solve for x
    x = 93,065,888,188.06/491,081.04
  6. Step 6: Final answer
    x = 189,512.28

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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.