Home / 330,853.20-496,740.60-206,437.20

Finding the Fourth Proportional to 330,853.20, 496,740.60 and 206,437.20

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Solution

The fourth proportional to 330,853.20, 496,740.60 and 206,437.20 is: 309,943.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,853.20 : 496,740.60 = 206,437.20 : x
  2. Step 2: Convert to fraction form
    330,853.20/496,740.60 = 206,437.20/x
  3. Step 3: Cross multiply
    330,853.20x = 496,740.60 × 206,437.20
  4. Step 4: Simplify right side
    330,853.20x = 102,545,738,590.32
  5. Step 5: Solve for x
    x = 102,545,738,590.32/330,853.20
  6. Step 6: Final answer
    x = 309,943.32

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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.