Home / 231,815.32-319,792.25-151,206.28

Finding the Fourth Proportional to 231,815.32, 319,792.25 and 151,206.28

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Solution

The fourth proportional to 231,815.32, 319,792.25 and 151,206.28 is: 208,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,815.32 : 319,792.25 = 151,206.28 : x
  2. Step 2: Convert to fraction form
    231,815.32/319,792.25 = 151,206.28/x
  3. Step 3: Cross multiply
    231,815.32x = 319,792.25 × 151,206.28
  4. Step 4: Simplify right side
    231,815.32x = 48,354,596,495.33
  5. Step 5: Solve for x
    x = 48,354,596,495.33/231,815.32
  6. Step 6: Final answer
    x = 208,591.03

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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.