Home / 305,583.17-421,685.19-169,617.24

Finding the Fourth Proportional to 305,583.17, 421,685.19 and 169,617.24

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Solution

The fourth proportional to 305,583.17, 421,685.19 and 169,617.24 is: 234,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,583.17 : 421,685.19 = 169,617.24 : x
  2. Step 2: Convert to fraction form
    305,583.17/421,685.19 = 169,617.24/x
  3. Step 3: Cross multiply
    305,583.17x = 421,685.19 × 169,617.24
  4. Step 4: Simplify right side
    305,583.17x = 71,525,078,076.68
  5. Step 5: Solve for x
    x = 71,525,078,076.68/305,583.17
  6. Step 6: Final answer
    x = 234,060.92

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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.