Home / 347,231.38-479,280.16-202,071.08

Finding the Fourth Proportional to 347,231.38, 479,280.16 and 202,071.08

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Solution

The fourth proportional to 347,231.38, 479,280.16 and 202,071.08 is: 278,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,231.38 : 479,280.16 = 202,071.08 : x
  2. Step 2: Convert to fraction form
    347,231.38/479,280.16 = 202,071.08/x
  3. Step 3: Cross multiply
    347,231.38x = 479,280.16 × 202,071.08
  4. Step 4: Simplify right side
    347,231.38x = 96,848,659,553.77
  5. Step 5: Solve for x
    x = 96,848,659,553.77/347,231.38
  6. Step 6: Final answer
    x = 278,916.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.