Home / 328,982.04-493,623.30-178,997.40

Finding the Fourth Proportional to 328,982.04, 493,623.30 and 178,997.40

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Solution

The fourth proportional to 328,982.04, 493,623.30 and 178,997.40 is: 268,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,982.04 : 493,623.30 = 178,997.40 : x
  2. Step 2: Convert to fraction form
    328,982.04/493,623.30 = 178,997.40/x
  3. Step 3: Cross multiply
    328,982.04x = 493,623.30 × 178,997.40
  4. Step 4: Simplify right side
    328,982.04x = 88,357,287,279.42
  5. Step 5: Solve for x
    x = 88,357,287,279.42/328,982.04
  6. Step 6: Final answer
    x = 268,577.84

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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.