Home / 432,979.48-649,407.30-148,664.71

Finding the Fourth Proportional to 432,979.48, 649,407.30 and 148,664.71

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Solution

The fourth proportional to 432,979.48, 649,407.30 and 148,664.71 is: 222,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,979.48 : 649,407.30 = 148,664.71 : x
  2. Step 2: Convert to fraction form
    432,979.48/649,407.30 = 148,664.71/x
  3. Step 3: Cross multiply
    432,979.48x = 649,407.30 × 148,664.71
  4. Step 4: Simplify right side
    432,979.48x = 96,543,947,926.38
  5. Step 5: Solve for x
    x = 96,543,947,926.38/432,979.48
  6. Step 6: Final answer
    x = 222,975.80

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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.