Home / 330,655.36-496,015.68-105,959.20

Finding the Fourth Proportional to 330,655.36, 496,015.68 and 105,959.20

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Solution

The fourth proportional to 330,655.36, 496,015.68 and 105,959.20 is: 158,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,655.36 : 496,015.68 = 105,959.20 : x
  2. Step 2: Convert to fraction form
    330,655.36/496,015.68 = 105,959.20/x
  3. Step 3: Cross multiply
    330,655.36x = 496,015.68 × 105,959.20
  4. Step 4: Simplify right side
    330,655.36x = 52,557,424,640.26
  5. Step 5: Solve for x
    x = 52,557,424,640.26/330,655.36
  6. Step 6: Final answer
    x = 158,949.26

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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.