Home / 338,467.70-506,557.18-329,359.57

Finding the Fourth Proportional to 338,467.70, 506,557.18 and 329,359.57

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Solution

The fourth proportional to 338,467.70, 506,557.18 and 329,359.57 is: 492,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,467.70 : 506,557.18 = 329,359.57 : x
  2. Step 2: Convert to fraction form
    338,467.70/506,557.18 = 329,359.57/x
  3. Step 3: Cross multiply
    338,467.70x = 506,557.18 × 329,359.57
  4. Step 4: Simplify right side
    338,467.70x = 166,839,452,277.87
  5. Step 5: Solve for x
    x = 166,839,452,277.87/338,467.70
  6. Step 6: Final answer
    x = 492,925.78

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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.