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Finding the Fourth Proportional to 501,211.96, 751,805.43 and 146,229.10

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Solution

The fourth proportional to 501,211.96, 751,805.43 and 146,229.10 is: 219,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,211.96 : 751,805.43 = 146,229.10 : x
  2. Step 2: Convert to fraction form
    501,211.96/751,805.43 = 146,229.10/x
  3. Step 3: Cross multiply
    501,211.96x = 751,805.43 × 146,229.10
  4. Step 4: Simplify right side
    501,211.96x = 109,935,831,404.01
  5. Step 5: Solve for x
    x = 109,935,831,404.01/501,211.96
  6. Step 6: Final answer
    x = 219,340.00

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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.