Home / 491,979.40-738,141.90-176,446.60

Finding the Fourth Proportional to 491,979.40, 738,141.90 and 176,446.60

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Solution

The fourth proportional to 491,979.40, 738,141.90 and 176,446.60 is: 264,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,979.40 : 738,141.90 = 176,446.60 : x
  2. Step 2: Convert to fraction form
    491,979.40/738,141.90 = 176,446.60/x
  3. Step 3: Cross multiply
    491,979.40x = 738,141.90 × 176,446.60
  4. Step 4: Simplify right side
    491,979.40x = 130,242,628,572.54
  5. Step 5: Solve for x
    x = 130,242,628,572.54/491,979.40
  6. Step 6: Final answer
    x = 264,731.87

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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.