Home / 328,956.04-493,584.18-178,971.40

Finding the Fourth Proportional to 328,956.04, 493,584.18 and 178,971.40

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Solution

The fourth proportional to 328,956.04, 493,584.18 and 178,971.40 is: 268,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,956.04 : 493,584.18 = 178,971.40 : x
  2. Step 2: Convert to fraction form
    328,956.04/493,584.18 = 178,971.40/x
  3. Step 3: Cross multiply
    328,956.04x = 493,584.18 × 178,971.40
  4. Step 4: Simplify right side
    328,956.04x = 88,337,451,712.45
  5. Step 5: Solve for x
    x = 88,337,451,712.45/328,956.04
  6. Step 6: Final answer
    x = 268,538.77

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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.