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Finding the Fourth Proportional to 258,630.88, 356,857.10 and 151,180.12

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Solution

The fourth proportional to 258,630.88, 356,857.10 and 151,180.12 is: 208,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,630.88 : 356,857.10 = 151,180.12 : x
  2. Step 2: Convert to fraction form
    258,630.88/356,857.10 = 151,180.12/x
  3. Step 3: Cross multiply
    258,630.88x = 356,857.10 × 151,180.12
  4. Step 4: Simplify right side
    258,630.88x = 53,949,696,660.67
  5. Step 5: Solve for x
    x = 53,949,696,660.67/258,630.88
  6. Step 6: Final answer
    x = 208,597.28

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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.