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Finding the Fourth Proportional to 502,744.62, 754,220.82 and 165,805.84

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Solution

The fourth proportional to 502,744.62, 754,220.82 and 165,805.84 is: 248,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,744.62 : 754,220.82 = 165,805.84 : x
  2. Step 2: Convert to fraction form
    502,744.62/754,220.82 = 165,805.84/x
  3. Step 3: Cross multiply
    502,744.62x = 754,220.82 × 165,805.84
  4. Step 4: Simplify right side
    502,744.62x = 125,054,212,994.99
  5. Step 5: Solve for x
    x = 125,054,212,994.99/502,744.62
  6. Step 6: Final answer
    x = 248,743.01

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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.