Home / 305,554.09-421,684.34-169,588.04

Finding the Fourth Proportional to 305,554.09, 421,684.34 and 169,588.04

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Solution

The fourth proportional to 305,554.09, 421,684.34 and 169,588.04 is: 234,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,554.09 : 421,684.34 = 169,588.04 : x
  2. Step 2: Convert to fraction form
    305,554.09/421,684.34 = 169,588.04/x
  3. Step 3: Cross multiply
    305,554.09x = 421,684.34 × 169,588.04
  4. Step 4: Simplify right side
    305,554.09x = 71,512,620,586.08
  5. Step 5: Solve for x
    x = 71,512,620,586.08/305,554.09
  6. Step 6: Final answer
    x = 234,042.43

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1.5x scale

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.