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Finding the Fourth Proportional to 503,001.35, 754,342 and 165,979.21

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Solution

The fourth proportional to 503,001.35, 754,342 and 165,979.21 is: 248,916.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,001.35 : 754,342 = 165,979.21 : x
  2. Step 2: Convert to fraction form
    503,001.35/754,342 = 165,979.21/x
  3. Step 3: Cross multiply
    503,001.35x = 754,342 × 165,979.21
  4. Step 4: Simplify right side
    503,001.35x = 125,205,089,229.82
  5. Step 5: Solve for x
    x = 125,205,089,229.82/503,001.35
  6. Step 6: Final answer
    x = 248,916.01

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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.