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Finding the Fourth Proportional to 356,282.34, 534,449.42 and 119,623.02

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Solution

The fourth proportional to 356,282.34, 534,449.42 and 119,623.02 is: 179,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,282.34 : 534,449.42 = 119,623.02 : x
  2. Step 2: Convert to fraction form
    356,282.34/534,449.42 = 119,623.02/x
  3. Step 3: Cross multiply
    356,282.34x = 534,449.42 × 119,623.02
  4. Step 4: Simplify right side
    356,282.34x = 63,932,453,657.65
  5. Step 5: Solve for x
    x = 63,932,453,657.65/356,282.34
  6. Step 6: Final answer
    x = 179,443.23

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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.