Home / 347,912.20-521,868.30-181,678.60

Finding the Fourth Proportional to 347,912.20, 521,868.30 and 181,678.60

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Solution

The fourth proportional to 347,912.20, 521,868.30 and 181,678.60 is: 272,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,912.20 : 521,868.30 = 181,678.60 : x
  2. Step 2: Convert to fraction form
    347,912.20/521,868.30 = 181,678.60/x
  3. Step 3: Cross multiply
    347,912.20x = 521,868.30 × 181,678.60
  4. Step 4: Simplify right side
    347,912.20x = 94,812,302,128.38
  5. Step 5: Solve for x
    x = 94,812,302,128.38/347,912.20
  6. Step 6: Final answer
    x = 272,517.90

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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.