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Finding the Fourth Proportional to 279,762.02, 419,767.06 and 146,610.62

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Solution

The fourth proportional to 279,762.02, 419,767.06 and 146,610.62 is: 219,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,762.02 : 419,767.06 = 146,610.62 : x
  2. Step 2: Convert to fraction form
    279,762.02/419,767.06 = 146,610.62/x
  3. Step 3: Cross multiply
    279,762.02x = 419,767.06 × 146,610.62
  4. Step 4: Simplify right side
    279,762.02x = 61,542,306,456.82
  5. Step 5: Solve for x
    x = 61,542,306,456.82/279,762.02
  6. Step 6: Final answer
    x = 219,980.92

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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.