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Finding the Fourth Proportional to 501,100.44, 751,570.64 and 146,031.40

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Solution

The fourth proportional to 501,100.44, 751,570.64 and 146,031.40 is: 219,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,100.44 : 751,570.64 = 146,031.40 : x
  2. Step 2: Convert to fraction form
    501,100.44/751,570.64 = 146,031.40/x
  3. Step 3: Cross multiply
    501,100.44x = 751,570.64 × 146,031.40
  4. Step 4: Simplify right side
    501,100.44x = 109,752,912,758.10
  5. Step 5: Solve for x
    x = 109,752,912,758.10/501,100.44
  6. Step 6: Final answer
    x = 219,023.78

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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.