Home / 231,443.30-347,312.38-154,679.60

Finding the Fourth Proportional to 231,443.30, 347,312.38 and 154,679.60

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Solution

The fourth proportional to 231,443.30, 347,312.38 and 154,679.60 is: 232,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,443.30 : 347,312.38 = 154,679.60 : x
  2. Step 2: Convert to fraction form
    231,443.30/347,312.38 = 154,679.60/x
  3. Step 3: Cross multiply
    231,443.30x = 347,312.38 × 154,679.60
  4. Step 4: Simplify right side
    231,443.30x = 53,722,140,013.45
  5. Step 5: Solve for x
    x = 53,722,140,013.45/231,443.30
  6. Step 6: Final answer
    x = 232,117.93

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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.