Home / 328,785.13-493,333.76-227,738.58

Finding the Fourth Proportional to 328,785.13, 493,333.76 and 227,738.58

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Solution

The fourth proportional to 328,785.13, 493,333.76 and 227,738.58 is: 341,715.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,785.13 : 493,333.76 = 227,738.58 : x
  2. Step 2: Convert to fraction form
    328,785.13/493,333.76 = 227,738.58/x
  3. Step 3: Cross multiply
    328,785.13x = 493,333.76 × 227,738.58
  4. Step 4: Simplify right side
    328,785.13x = 112,351,129,968.46
  5. Step 5: Solve for x
    x = 112,351,129,968.46/328,785.13
  6. Step 6: Final answer
    x = 341,715.97

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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.