Home / 249,712.56-344,579.52-142,279.92

Finding the Fourth Proportional to 249,712.56, 344,579.52 and 142,279.92

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Solution

The fourth proportional to 249,712.56, 344,579.52 and 142,279.92 is: 196,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,712.56 : 344,579.52 = 142,279.92 : x
  2. Step 2: Convert to fraction form
    249,712.56/344,579.52 = 142,279.92/x
  3. Step 3: Cross multiply
    249,712.56x = 344,579.52 × 142,279.92
  4. Step 4: Simplify right side
    249,712.56x = 49,026,746,539.24
  5. Step 5: Solve for x
    x = 49,026,746,539.24/249,712.56
  6. Step 6: Final answer
    x = 196,332.72

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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.