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Finding the Fourth Proportional to 216,893.73, 299,270.82 and 136,274.55

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Solution

The fourth proportional to 216,893.73, 299,270.82 and 136,274.55 is: 188,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,893.73 : 299,270.82 = 136,274.55 : x
  2. Step 2: Convert to fraction form
    216,893.73/299,270.82 = 136,274.55/x
  3. Step 3: Cross multiply
    216,893.73x = 299,270.82 × 136,274.55
  4. Step 4: Simplify right side
    216,893.73x = 40,782,996,323.63
  5. Step 5: Solve for x
    x = 40,782,996,323.63/216,893.73
  6. Step 6: Final answer
    x = 188,032.16

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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.