Home / 249,743.17-344,649.33-142,310.89

Finding the Fourth Proportional to 249,743.17, 344,649.33 and 142,310.89

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Solution

The fourth proportional to 249,743.17, 344,649.33 and 142,310.89 is: 196,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,743.17 : 344,649.33 = 142,310.89 : x
  2. Step 2: Convert to fraction form
    249,743.17/344,649.33 = 142,310.89/x
  3. Step 3: Cross multiply
    249,743.17x = 344,649.33 × 142,310.89
  4. Step 4: Simplify right side
    249,743.17x = 49,047,352,890.20
  5. Step 5: Solve for x
    x = 49,047,352,890.20/249,743.17
  6. Step 6: Final answer
    x = 196,391.17

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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.