Home / 249,665.83-344,514.09-142,229.46

Finding the Fourth Proportional to 249,665.83, 344,514.09 and 142,229.46

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Solution

The fourth proportional to 249,665.83, 344,514.09 and 142,229.46 is: 196,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,665.83 : 344,514.09 = 142,229.46 : x
  2. Step 2: Convert to fraction form
    249,665.83/344,514.09 = 142,229.46/x
  3. Step 3: Cross multiply
    249,665.83x = 344,514.09 × 142,229.46
  4. Step 4: Simplify right side
    249,665.83x = 49,000,052,983.09
  5. Step 5: Solve for x
    x = 49,000,052,983.09/249,665.83
  6. Step 6: Final answer
    x = 196,262.55

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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.