Home / 347,822.70-521,604.45-242,328.30

Finding the Fourth Proportional to 347,822.70, 521,604.45 and 242,328.30

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Solution

The fourth proportional to 347,822.70, 521,604.45 and 242,328.30 is: 363,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,822.70 : 521,604.45 = 242,328.30 : x
  2. Step 2: Convert to fraction form
    347,822.70/521,604.45 = 242,328.30/x
  3. Step 3: Cross multiply
    347,822.70x = 521,604.45 × 242,328.30
  4. Step 4: Simplify right side
    347,822.70x = 126,399,519,640.94
  5. Step 5: Solve for x
    x = 126,399,519,640.94/347,822.70
  6. Step 6: Final answer
    x = 363,402.16

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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.