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Finding the Fourth Proportional to 356,288.00, 534,481.20 and 119,698.34

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Solution

The fourth proportional to 356,288.00, 534,481.20 and 119,698.34 is: 179,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,288.00 : 534,481.20 = 119,698.34 : x
  2. Step 2: Convert to fraction form
    356,288.00/534,481.20 = 119,698.34/x
  3. Step 3: Cross multiply
    356,288.00x = 534,481.20 × 119,698.34
  4. Step 4: Simplify right side
    356,288.00x = 63,976,509,728.80
  5. Step 5: Solve for x
    x = 63,976,509,728.80/356,288.00
  6. Step 6: Final answer
    x = 179,564.03

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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.