Home / 281,632.83-422,445.57-68,402.49

Finding the Fourth Proportional to 281,632.83, 422,445.57 and 68,402.49

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Solution

The fourth proportional to 281,632.83, 422,445.57 and 68,402.49 is: 102,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,632.83 : 422,445.57 = 68,402.49 : x
  2. Step 2: Convert to fraction form
    281,632.83/422,445.57 = 68,402.49/x
  3. Step 3: Cross multiply
    281,632.83x = 422,445.57 × 68,402.49
  4. Step 4: Simplify right side
    281,632.83x = 28,896,328,877.47
  5. Step 5: Solve for x
    x = 28,896,328,877.47/281,632.83
  6. Step 6: Final answer
    x = 102,602.84

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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.