Home / 347,260.20-520,071.10-214,549.80

Finding the Fourth Proportional to 347,260.20, 520,071.10 and 214,549.80

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Solution

The fourth proportional to 347,260.20, 520,071.10 and 214,549.80 is: 321,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,260.20 : 520,071.10 = 214,549.80 : x
  2. Step 2: Convert to fraction form
    347,260.20/520,071.10 = 214,549.80/x
  3. Step 3: Cross multiply
    347,260.20x = 520,071.10 × 214,549.80
  4. Step 4: Simplify right side
    347,260.20x = 111,581,150,490.78
  5. Step 5: Solve for x
    x = 111,581,150,490.78/347,260.20
  6. Step 6: Final answer
    x = 321,318.57

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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.