Home / 502,129.42-692,936.46-272,685.11

Finding the Fourth Proportional to 502,129.42, 692,936.46 and 272,685.11

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Solution

The fourth proportional to 502,129.42, 692,936.46 and 272,685.11 is: 376,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,129.42 : 692,936.46 = 272,685.11 : x
  2. Step 2: Convert to fraction form
    502,129.42/692,936.46 = 272,685.11/x
  3. Step 3: Cross multiply
    502,129.42x = 692,936.46 × 272,685.11
  4. Step 4: Simplify right side
    502,129.42x = 188,953,451,353.43
  5. Step 5: Solve for x
    x = 188,953,451,353.43/502,129.42
  6. Step 6: Final answer
    x = 376,304.28

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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.