Home / 342,301.12-513,583.20-142,568.08

Finding the Fourth Proportional to 342,301.12, 513,583.20 and 142,568.08

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Solution

The fourth proportional to 342,301.12, 513,583.20 and 142,568.08 is: 213,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,301.12 : 513,583.20 = 142,568.08 : x
  2. Step 2: Convert to fraction form
    342,301.12/513,583.20 = 142,568.08/x
  3. Step 3: Cross multiply
    342,301.12x = 513,583.20 × 142,568.08
  4. Step 4: Simplify right side
    342,301.12x = 73,220,570,744.26
  5. Step 5: Solve for x
    x = 73,220,570,744.26/342,301.12
  6. Step 6: Final answer
    x = 213,906.90

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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.