Home / 347,910.30-521,914.05-148,229.10

Finding the Fourth Proportional to 347,910.30, 521,914.05 and 148,229.10

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Solution

The fourth proportional to 347,910.30, 521,914.05 and 148,229.10 is: 222,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,910.30 : 521,914.05 = 148,229.10 : x
  2. Step 2: Convert to fraction form
    347,910.30/521,914.05 = 148,229.10/x
  3. Step 3: Cross multiply
    347,910.30x = 521,914.05 × 148,229.10
  4. Step 4: Simplify right side
    347,910.30x = 77,362,849,908.86
  5. Step 5: Solve for x
    x = 77,362,849,908.86/347,910.30
  6. Step 6: Final answer
    x = 222,364.36

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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.