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Finding the Fourth Proportional to 503,087.10, 754,534.33 and 195,339.07

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Solution

The fourth proportional to 503,087.10, 754,534.33 and 195,339.07 is: 292,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,087.10 : 754,534.33 = 195,339.07 : x
  2. Step 2: Convert to fraction form
    503,087.10/754,534.33 = 195,339.07/x
  3. Step 3: Cross multiply
    503,087.10x = 754,534.33 × 195,339.07
  4. Step 4: Simplify right side
    503,087.10x = 147,390,034,305.27
  5. Step 5: Solve for x
    x = 147,390,034,305.27/503,087.10
  6. Step 6: Final answer
    x = 292,971.21

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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.