Home / 347,814.30-521,721.45-343,148.70

Finding the Fourth Proportional to 347,814.30, 521,721.45 and 343,148.70

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Solution

The fourth proportional to 347,814.30, 521,721.45 and 343,148.70 is: 514,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,814.30 : 521,721.45 = 343,148.70 : x
  2. Step 2: Convert to fraction form
    347,814.30/521,721.45 = 343,148.70/x
  3. Step 3: Cross multiply
    347,814.30x = 521,721.45 × 343,148.70
  4. Step 4: Simplify right side
    347,814.30x = 179,028,037,329.62
  5. Step 5: Solve for x
    x = 179,028,037,329.62/347,814.30
  6. Step 6: Final answer
    x = 514,723.05

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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.