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Finding the Fourth Proportional to 249,932, 344,906.16 and 136,754.75

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Solution

The fourth proportional to 249,932, 344,906.16 and 136,754.75 is: 188,721.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,932 : 344,906.16 = 136,754.75 : x
  2. Step 2: Convert to fraction form
    249,932/344,906.16 = 136,754.75/x
  3. Step 3: Cross multiply
    249,932x = 344,906.16 × 136,754.75
  4. Step 4: Simplify right side
    249,932x = 47,167,555,684.26
  5. Step 5: Solve for x
    x = 47,167,555,684.26/249,932
  6. Step 6: Final answer
    x = 188,721.56

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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.