Home / 231,530.40-319,561.59-150,813.90

Finding the Fourth Proportional to 231,530.40, 319,561.59 and 150,813.90

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Solution

The fourth proportional to 231,530.40, 319,561.59 and 150,813.90 is: 208,155.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,530.40 : 319,561.59 = 150,813.90 : x
  2. Step 2: Convert to fraction form
    231,530.40/319,561.59 = 150,813.90/x
  3. Step 3: Cross multiply
    231,530.40x = 319,561.59 × 150,813.90
  4. Step 4: Simplify right side
    231,530.40x = 48,194,328,080.29
  5. Step 5: Solve for x
    x = 48,194,328,080.29/231,530.40
  6. Step 6: Final answer
    x = 208,155.51

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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.