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Finding the Fourth Proportional to 501,100.59, 751,570.87 and 146,031.56

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Solution

The fourth proportional to 501,100.59, 751,570.87 and 146,031.56 is: 219,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,100.59 : 751,570.87 = 146,031.56 : x
  2. Step 2: Convert to fraction form
    501,100.59/751,570.87 = 146,031.56/x
  3. Step 3: Cross multiply
    501,100.59x = 751,570.87 × 146,031.56
  4. Step 4: Simplify right side
    501,100.59x = 109,753,062,473.72
  5. Step 5: Solve for x
    x = 109,753,062,473.72/501,100.59
  6. Step 6: Final answer
    x = 219,024.01

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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.