Home / 249,634.17-344,454.93-142,206.30

Finding the Fourth Proportional to 249,634.17, 344,454.93 and 142,206.30

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Solution

The fourth proportional to 249,634.17, 344,454.93 and 142,206.30 is: 196,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,634.17 : 344,454.93 = 142,206.30 : x
  2. Step 2: Convert to fraction form
    249,634.17/344,454.93 = 142,206.30/x
  3. Step 3: Cross multiply
    249,634.17x = 344,454.93 × 142,206.30
  4. Step 4: Simplify right side
    249,634.17x = 48,983,661,112.06
  5. Step 5: Solve for x
    x = 48,983,661,112.06/249,634.17
  6. Step 6: Final answer
    x = 196,221.78

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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.