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Finding the Fourth Proportional to 271,654.16, 375,017.65 and 169,736.11

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Solution

The fourth proportional to 271,654.16, 375,017.65 and 169,736.11 is: 234,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,654.16 : 375,017.65 = 169,736.11 : x
  2. Step 2: Convert to fraction form
    271,654.16/375,017.65 = 169,736.11/x
  3. Step 3: Cross multiply
    271,654.16x = 375,017.65 × 169,736.11
  4. Step 4: Simplify right side
    271,654.16x = 63,654,035,730.46
  5. Step 5: Solve for x
    x = 63,654,035,730.46/271,654.16
  6. Step 6: Final answer
    x = 234,320.13

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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.