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Finding the Fourth Proportional to 249,432.88, 344,224.94 and 136,262.92

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Solution

The fourth proportional to 249,432.88, 344,224.94 and 136,262.92 is: 188,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,432.88 : 344,224.94 = 136,262.92 : x
  2. Step 2: Convert to fraction form
    249,432.88/344,224.94 = 136,262.92/x
  3. Step 3: Cross multiply
    249,432.88x = 344,224.94 × 136,262.92
  4. Step 4: Simplify right side
    249,432.88x = 46,905,095,461.22
  5. Step 5: Solve for x
    x = 46,905,095,461.22/249,432.88
  6. Step 6: Final answer
    x = 188,046.96

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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.