Home / 328,054.20-492,081.30-117,664.80

Finding the Fourth Proportional to 328,054.20, 492,081.30 and 117,664.80

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Solution

The fourth proportional to 328,054.20, 492,081.30 and 117,664.80 is: 176,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,054.20 : 492,081.30 = 117,664.80 : x
  2. Step 2: Convert to fraction form
    328,054.20/492,081.30 = 117,664.80/x
  3. Step 3: Cross multiply
    328,054.20x = 492,081.30 × 117,664.80
  4. Step 4: Simplify right side
    328,054.20x = 57,900,647,748.24
  5. Step 5: Solve for x
    x = 57,900,647,748.24/328,054.20
  6. Step 6: Final answer
    x = 176,497.20

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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.