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Finding the Fourth Proportional to 249,760.30, 344,700.78 and 163,791.63

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Solution

The fourth proportional to 249,760.30, 344,700.78 and 163,791.63 is: 226,053.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,760.30 : 344,700.78 = 163,791.63 : x
  2. Step 2: Convert to fraction form
    249,760.30/344,700.78 = 163,791.63/x
  3. Step 3: Cross multiply
    249,760.30x = 344,700.78 × 163,791.63
  4. Step 4: Simplify right side
    249,760.30x = 56,459,100,894.97
  5. Step 5: Solve for x
    x = 56,459,100,894.97/249,760.30
  6. Step 6: Final answer
    x = 226,053.14

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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.