Home / 330,740.20-496,109.34-90,854.32

Finding the Fourth Proportional to 330,740.20, 496,109.34 and 90,854.32

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Solution

The fourth proportional to 330,740.20, 496,109.34 and 90,854.32 is: 136,281.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,740.20 : 496,109.34 = 90,854.32 : x
  2. Step 2: Convert to fraction form
    330,740.20/496,109.34 = 90,854.32/x
  3. Step 3: Cross multiply
    330,740.20x = 496,109.34 × 90,854.32
  4. Step 4: Simplify right side
    330,740.20x = 45,073,676,731.35
  5. Step 5: Solve for x
    x = 45,073,676,731.35/330,740.20
  6. Step 6: Final answer
    x = 136,281.22

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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.