Home / 231,514.78-347,035.36-156,642.83

Finding the Fourth Proportional to 231,514.78, 347,035.36 and 156,642.83

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Solution

The fourth proportional to 231,514.78, 347,035.36 and 156,642.83 is: 234,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,514.78 : 347,035.36 = 156,642.83 : x
  2. Step 2: Convert to fraction form
    231,514.78/347,035.36 = 156,642.83/x
  3. Step 3: Cross multiply
    231,514.78x = 347,035.36 × 156,642.83
  4. Step 4: Simplify right side
    231,514.78x = 54,360,600,900.47
  5. Step 5: Solve for x
    x = 54,360,600,900.47/231,514.78
  6. Step 6: Final answer
    x = 234,804.02

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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.