Home / 330,703.16-496,001.61-90,761.04

Finding the Fourth Proportional to 330,703.16, 496,001.61 and 90,761.04

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Solution

The fourth proportional to 330,703.16, 496,001.61 and 90,761.04 is: 136,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,703.16 : 496,001.61 = 90,761.04 : x
  2. Step 2: Convert to fraction form
    330,703.16/496,001.61 = 90,761.04/x
  3. Step 3: Cross multiply
    330,703.16x = 496,001.61 × 90,761.04
  4. Step 4: Simplify right side
    330,703.16x = 45,017,621,965.27
  5. Step 5: Solve for x
    x = 45,017,621,965.27/330,703.16
  6. Step 6: Final answer
    x = 136,126.98

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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.