Home / 281,632.86-422,445.60-68,402.52

Finding the Fourth Proportional to 281,632.86, 422,445.60 and 68,402.52

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Solution

The fourth proportional to 281,632.86, 422,445.60 and 68,402.52 is: 102,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,632.86 : 422,445.60 = 68,402.52 : x
  2. Step 2: Convert to fraction form
    281,632.86/422,445.60 = 68,402.52/x
  3. Step 3: Cross multiply
    281,632.86x = 422,445.60 × 68,402.52
  4. Step 4: Simplify right side
    281,632.86x = 28,896,343,602.91
  5. Step 5: Solve for x
    x = 28,896,343,602.91/281,632.86
  6. Step 6: Final answer
    x = 102,602.88

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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.