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Finding the Fourth Proportional to 249,951.95, 344,932.75 and 135,230.22

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Solution

The fourth proportional to 249,951.95, 344,932.75 and 135,230.22 is: 186,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,951.95 : 344,932.75 = 135,230.22 : x
  2. Step 2: Convert to fraction form
    249,951.95/344,932.75 = 135,230.22/x
  3. Step 3: Cross multiply
    249,951.95x = 344,932.75 × 135,230.22
  4. Step 4: Simplify right side
    249,951.95x = 46,645,331,667.71
  5. Step 5: Solve for x
    x = 46,645,331,667.71/249,951.95
  6. Step 6: Final answer
    x = 186,617.19

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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.