Home / 330,859.20-496,353.60-141,319.20

Finding the Fourth Proportional to 330,859.20, 496,353.60 and 141,319.20

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Solution

The fourth proportional to 330,859.20, 496,353.60 and 141,319.20 is: 212,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,859.20 : 496,353.60 = 141,319.20 : x
  2. Step 2: Convert to fraction form
    330,859.20/496,353.60 = 141,319.20/x
  3. Step 3: Cross multiply
    330,859.20x = 496,353.60 × 141,319.20
  4. Step 4: Simplify right side
    330,859.20x = 70,144,293,669.12
  5. Step 5: Solve for x
    x = 70,144,293,669.12/330,859.20
  6. Step 6: Final answer
    x = 212,006.48

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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.