Home / 231,875.64-347,578.08-131,829.12

Finding the Fourth Proportional to 231,875.64, 347,578.08 and 131,829.12

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Solution

The fourth proportional to 231,875.64, 347,578.08 and 131,829.12 is: 197,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,875.64 : 347,578.08 = 131,829.12 : x
  2. Step 2: Convert to fraction form
    231,875.64/347,578.08 = 131,829.12/x
  3. Step 3: Cross multiply
    231,875.64x = 347,578.08 × 131,829.12
  4. Step 4: Simplify right side
    231,875.64x = 45,820,912,417.69
  5. Step 5: Solve for x
    x = 45,820,912,417.69/231,875.64
  6. Step 6: Final answer
    x = 197,609.86

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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.