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Finding the Fourth Proportional to 501,253.20, 751,839.96 and 201,522.48

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Solution

The fourth proportional to 501,253.20, 751,839.96 and 201,522.48 is: 302,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,253.20 : 751,839.96 = 201,522.48 : x
  2. Step 2: Convert to fraction form
    501,253.20/751,839.96 = 201,522.48/x
  3. Step 3: Cross multiply
    501,253.20x = 751,839.96 × 201,522.48
  4. Step 4: Simplify right side
    501,253.20x = 151,512,653,302.30
  5. Step 5: Solve for x
    x = 151,512,653,302.30/501,253.20
  6. Step 6: Final answer
    x = 302,267.70

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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.