Home / 231,539.21-347,109.19-89,484.17

Finding the Fourth Proportional to 231,539.21, 347,109.19 and 89,484.17

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Solution

The fourth proportional to 231,539.21, 347,109.19 and 89,484.17 is: 134,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,539.21 : 347,109.19 = 89,484.17 : x
  2. Step 2: Convert to fraction form
    231,539.21/347,109.19 = 89,484.17/x
  3. Step 3: Cross multiply
    231,539.21x = 347,109.19 × 89,484.17
  4. Step 4: Simplify right side
    231,539.21x = 31,060,776,024.21
  5. Step 5: Solve for x
    x = 31,060,776,024.21/231,539.21
  6. Step 6: Final answer
    x = 134,149.10

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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.