Home / 231,272.30-319,038.86-154,794.59

Finding the Fourth Proportional to 231,272.30, 319,038.86 and 154,794.59

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Solution

The fourth proportional to 231,272.30, 319,038.86 and 154,794.59 is: 213,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,272.30 : 319,038.86 = 154,794.59 : x
  2. Step 2: Convert to fraction form
    231,272.30/319,038.86 = 154,794.59/x
  3. Step 3: Cross multiply
    231,272.30x = 319,038.86 × 154,794.59
  4. Step 4: Simplify right side
    231,272.30x = 49,385,490,712.35
  5. Step 5: Solve for x
    x = 49,385,490,712.35/231,272.30
  6. Step 6: Final answer
    x = 213,538.29

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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.