Home / 345,724.20-518,585.40-96,406.20

Finding the Fourth Proportional to 345,724.20, 518,585.40 and 96,406.20

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Solution

The fourth proportional to 345,724.20, 518,585.40 and 96,406.20 is: 144,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,724.20 : 518,585.40 = 96,406.20 : x
  2. Step 2: Convert to fraction form
    345,724.20/518,585.40 = 96,406.20/x
  3. Step 3: Cross multiply
    345,724.20x = 518,585.40 × 96,406.20
  4. Step 4: Simplify right side
    345,724.20x = 49,994,847,789.48
  5. Step 5: Solve for x
    x = 49,994,847,789.48/345,724.20
  6. Step 6: Final answer
    x = 144,609.05

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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.