Home / 229,761.40-344,642.24-72,002.20

Finding the Fourth Proportional to 229,761.40, 344,642.24 and 72,002.20

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Solution

The fourth proportional to 229,761.40, 344,642.24 and 72,002.20 is: 108,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,761.40 : 344,642.24 = 72,002.20 : x
  2. Step 2: Convert to fraction form
    229,761.40/344,642.24 = 72,002.20/x
  3. Step 3: Cross multiply
    229,761.40x = 344,642.24 × 72,002.20
  4. Step 4: Simplify right side
    229,761.40x = 24,814,999,492.93
  5. Step 5: Solve for x
    x = 24,814,999,492.93/229,761.40
  6. Step 6: Final answer
    x = 108,003.34

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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.