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Finding the Fourth Proportional to 240,997.46, 361,496.68 and 98,816.54

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Solution

The fourth proportional to 240,997.46, 361,496.68 and 98,816.54 is: 148,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,997.46 : 361,496.68 = 98,816.54 : x
  2. Step 2: Convert to fraction form
    240,997.46/361,496.68 = 98,816.54/x
  3. Step 3: Cross multiply
    240,997.46x = 361,496.68 × 98,816.54
  4. Step 4: Simplify right side
    240,997.46x = 35,721,851,139.09
  5. Step 5: Solve for x
    x = 35,721,851,139.09/240,997.46
  6. Step 6: Final answer
    x = 148,225.01

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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.