Home / 231,509.85-347,278.22-89,355.92

Finding the Fourth Proportional to 231,509.85, 347,278.22 and 89,355.92

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Solution

The fourth proportional to 231,509.85, 347,278.22 and 89,355.92 is: 134,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,509.85 : 347,278.22 = 89,355.92 : x
  2. Step 2: Convert to fraction form
    231,509.85/347,278.22 = 89,355.92/x
  3. Step 3: Cross multiply
    231,509.85x = 347,278.22 × 89,355.92
  4. Step 4: Simplify right side
    231,509.85x = 31,031,362,660.89
  5. Step 5: Solve for x
    x = 31,031,362,660.89/231,509.85
  6. Step 6: Final answer
    x = 134,039.06

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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.