Home / 154,401.30-231,580.35-49,230.90

Finding the Fourth Proportional to 154,401.30, 231,580.35 and 49,230.90

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Solution

The fourth proportional to 154,401.30, 231,580.35 and 49,230.90 is: 73,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,401.30 : 231,580.35 = 49,230.90 : x
  2. Step 2: Convert to fraction form
    154,401.30/231,580.35 = 49,230.90/x
  3. Step 3: Cross multiply
    154,401.30x = 231,580.35 × 49,230.90
  4. Step 4: Simplify right side
    154,401.30x = 11,400,909,052.82
  5. Step 5: Solve for x
    x = 11,400,909,052.82/154,401.30
  6. Step 6: Final answer
    x = 73,839.46

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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.