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Finding the Fourth Proportional to 442,203.48, 610,242.86 and 251,227.35

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Solution

The fourth proportional to 442,203.48, 610,242.86 and 251,227.35 is: 346,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,203.48 : 610,242.86 = 251,227.35 : x
  2. Step 2: Convert to fraction form
    442,203.48/610,242.86 = 251,227.35/x
  3. Step 3: Cross multiply
    442,203.48x = 610,242.86 × 251,227.35
  4. Step 4: Simplify right side
    442,203.48x = 153,309,697,202.29
  5. Step 5: Solve for x
    x = 153,309,697,202.29/442,203.48
  6. Step 6: Final answer
    x = 346,694.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.