Home / 343,964.58-516,149.85-130,911.87

Finding the Fourth Proportional to 343,964.58, 516,149.85 and 130,911.87

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Solution

The fourth proportional to 343,964.58, 516,149.85 and 130,911.87 is: 196,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,964.58 : 516,149.85 = 130,911.87 : x
  2. Step 2: Convert to fraction form
    343,964.58/516,149.85 = 130,911.87/x
  3. Step 3: Cross multiply
    343,964.58x = 516,149.85 × 130,911.87
  4. Step 4: Simplify right side
    343,964.58x = 67,570,142,063.72
  5. Step 5: Solve for x
    x = 67,570,142,063.72/343,964.58
  6. Step 6: Final answer
    x = 196,445.06

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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.