Home / 249,730.80-344,589.84-142,305.36

Finding the Fourth Proportional to 249,730.80, 344,589.84 and 142,305.36

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Solution

The fourth proportional to 249,730.80, 344,589.84 and 142,305.36 is: 196,359.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,730.80 : 344,589.84 = 142,305.36 : x
  2. Step 2: Convert to fraction form
    249,730.80/344,589.84 = 142,305.36/x
  3. Step 3: Cross multiply
    249,730.80x = 344,589.84 × 142,305.36
  4. Step 4: Simplify right side
    249,730.80x = 49,036,981,233.54
  5. Step 5: Solve for x
    x = 49,036,981,233.54/249,730.80
  6. Step 6: Final answer
    x = 196,359.36

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1.5x scale

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.