Home / 347,919.20-521,878.80-237,327.20

Finding the Fourth Proportional to 347,919.20, 521,878.80 and 237,327.20

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Solution

The fourth proportional to 347,919.20, 521,878.80 and 237,327.20 is: 355,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,919.20 : 521,878.80 = 237,327.20 : x
  2. Step 2: Convert to fraction form
    347,919.20/521,878.80 = 237,327.20/x
  3. Step 3: Cross multiply
    347,919.20x = 521,878.80 × 237,327.20
  4. Step 4: Simplify right side
    347,919.20x = 123,856,034,343.36
  5. Step 5: Solve for x
    x = 123,856,034,343.36/347,919.20
  6. Step 6: Final answer
    x = 355,990.80

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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.