Home / 347,823.20-521,605.20-242,328.80

Finding the Fourth Proportional to 347,823.20, 521,605.20 and 242,328.80

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Solution

The fourth proportional to 347,823.20, 521,605.20 and 242,328.80 is: 363,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,823.20 : 521,605.20 = 242,328.80 : x
  2. Step 2: Convert to fraction form
    347,823.20/521,605.20 = 242,328.80/x
  3. Step 3: Cross multiply
    347,823.20x = 521,605.20 × 242,328.80
  4. Step 4: Simplify right side
    347,823.20x = 126,399,962,189.76
  5. Step 5: Solve for x
    x = 126,399,962,189.76/347,823.20
  6. Step 6: Final answer
    x = 363,402.91

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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.