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Finding the Fourth Proportional to 272,954.80, 376,689.17 and 152,096.14

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Solution

The fourth proportional to 272,954.80, 376,689.17 and 152,096.14 is: 209,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,954.80 : 376,689.17 = 152,096.14 : x
  2. Step 2: Convert to fraction form
    272,954.80/376,689.17 = 152,096.14/x
  3. Step 3: Cross multiply
    272,954.80x = 376,689.17 × 152,096.14
  4. Step 4: Simplify right side
    272,954.80x = 57,292,966,092.88
  5. Step 5: Solve for x
    x = 57,292,966,092.88/272,954.80
  6. Step 6: Final answer
    x = 209,899.10

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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.