Home / 213,035.28-319,248.46-156,431.26

Finding the Fourth Proportional to 213,035.28, 319,248.46 and 156,431.26

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Solution

The fourth proportional to 213,035.28, 319,248.46 and 156,431.26 is: 234,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,035.28 : 319,248.46 = 156,431.26 : x
  2. Step 2: Convert to fraction form
    213,035.28/319,248.46 = 156,431.26/x
  3. Step 3: Cross multiply
    213,035.28x = 319,248.46 × 156,431.26
  4. Step 4: Simplify right side
    213,035.28x = 49,940,438,850.86
  5. Step 5: Solve for x
    x = 49,940,438,850.86/213,035.28
  6. Step 6: Final answer
    x = 234,423.33

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1.5x scale

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.