Home / 249,000.38-343,621.61-135,825.56

Finding the Fourth Proportional to 249,000.38, 343,621.61 and 135,825.56

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Solution

The fourth proportional to 249,000.38, 343,621.61 and 135,825.56 is: 187,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,000.38 : 343,621.61 = 135,825.56 : x
  2. Step 2: Convert to fraction form
    249,000.38/343,621.61 = 135,825.56/x
  3. Step 3: Cross multiply
    249,000.38x = 343,621.61 × 135,825.56
  4. Step 4: Simplify right side
    249,000.38x = 46,672,597,007.04
  5. Step 5: Solve for x
    x = 46,672,597,007.04/249,000.38
  6. Step 6: Final answer
    x = 187,439.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.