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Finding the Fourth Proportional to 249,591, 344,315.16 and 163,512.57

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Solution

The fourth proportional to 249,591, 344,315.16 and 163,512.57 is: 225,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,591 : 344,315.16 = 163,512.57 : x
  2. Step 2: Convert to fraction form
    249,591/344,315.16 = 163,512.57/x
  3. Step 3: Cross multiply
    249,591x = 344,315.16 × 163,512.57
  4. Step 4: Simplify right side
    249,591x = 56,299,856,701.56
  5. Step 5: Solve for x
    x = 56,299,856,701.56/249,591
  6. Step 6: Final answer
    x = 225,568.46

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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.