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Finding the Fourth Proportional to 503,268, 754,902 and 129,291

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Solution

The fourth proportional to 503,268, 754,902 and 129,291 is: 193,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,268 : 754,902 = 129,291 : x
  2. Step 2: Convert to fraction form
    503,268/754,902 = 129,291/x
  3. Step 3: Cross multiply
    503,268x = 754,902 × 129,291
  4. Step 4: Simplify right side
    503,268x = 97,602,034,482
  5. Step 5: Solve for x
    x = 97,602,034,482/503,268
  6. Step 6: Final answer
    x = 193,936.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.