Home / 331,251.20-496,876.80-299,110.40

Finding the Fourth Proportional to 331,251.20, 496,876.80 and 299,110.40

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Solution

The fourth proportional to 331,251.20, 496,876.80 and 299,110.40 is: 448,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,251.20 : 496,876.80 = 299,110.40 : x
  2. Step 2: Convert to fraction form
    331,251.20/496,876.80 = 299,110.40/x
  3. Step 3: Cross multiply
    331,251.20x = 496,876.80 × 299,110.40
  4. Step 4: Simplify right side
    331,251.20x = 148,621,018,398.72
  5. Step 5: Solve for x
    x = 148,621,018,398.72/331,251.20
  6. Step 6: Final answer
    x = 448,665.60

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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.