Home / 547,446.30-821,192.07-187,864.31

Finding the Fourth Proportional to 547,446.30, 821,192.07 and 187,864.31

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Solution

The fourth proportional to 547,446.30, 821,192.07 and 187,864.31 is: 281,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,446.30 : 821,192.07 = 187,864.31 : x
  2. Step 2: Convert to fraction form
    547,446.30/821,192.07 = 187,864.31/x
  3. Step 3: Cross multiply
    547,446.30x = 821,192.07 × 187,864.31
  4. Step 4: Simplify right side
    547,446.30x = 154,272,684,365.49
  5. Step 5: Solve for x
    x = 154,272,684,365.49/547,446.30
  6. Step 6: Final answer
    x = 281,804.23

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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.