Home / 348,332.20-521,720.70-269,189.80

Finding the Fourth Proportional to 348,332.20, 521,720.70 and 269,189.80

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Solution

The fourth proportional to 348,332.20, 521,720.70 and 269,189.80 is: 403,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,332.20 : 521,720.70 = 269,189.80 : x
  2. Step 2: Convert to fraction form
    348,332.20/521,720.70 = 269,189.80/x
  3. Step 3: Cross multiply
    348,332.20x = 521,720.70 × 269,189.80
  4. Step 4: Simplify right side
    348,332.20x = 140,441,890,888.86
  5. Step 5: Solve for x
    x = 140,441,890,888.86/348,332.20
  6. Step 6: Final answer
    x = 403,183.77

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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.