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Finding the Fourth Proportional to 347,249.20, 520,096.20 and 207,281.20

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Solution

The fourth proportional to 347,249.20, 520,096.20 and 207,281.20 is: 310,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,249.20 : 520,096.20 = 207,281.20 : x
  2. Step 2: Convert to fraction form
    347,249.20/520,096.20 = 207,281.20/x
  3. Step 3: Cross multiply
    347,249.20x = 520,096.20 × 207,281.20
  4. Step 4: Simplify right side
    347,249.20x = 107,806,164,451.44
  5. Step 5: Solve for x
    x = 107,806,164,451.44/347,249.20
  6. Step 6: Final answer
    x = 310,457.63

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1.5x scale

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.