Home / 369,142.05-551,690.03-269,512.05

Finding the Fourth Proportional to 369,142.05, 551,690.03 and 269,512.05

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Solution

The fourth proportional to 369,142.05, 551,690.03 and 269,512.05 is: 402,791.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,142.05 : 551,690.03 = 269,512.05 : x
  2. Step 2: Convert to fraction form
    369,142.05/551,690.03 = 269,512.05/x
  3. Step 3: Cross multiply
    369,142.05x = 551,690.03 × 269,512.05
  4. Step 4: Simplify right side
    369,142.05x = 148,687,109,602.30
  5. Step 5: Solve for x
    x = 148,687,109,602.30/369,142.05
  6. Step 6: Final answer
    x = 402,791.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.