Home / 305,570.09-421,680.38-169,596.06

Finding the Fourth Proportional to 305,570.09, 421,680.38 and 169,596.06

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Solution

The fourth proportional to 305,570.09, 421,680.38 and 169,596.06 is: 234,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,570.09 : 421,680.38 = 169,596.06 : x
  2. Step 2: Convert to fraction form
    305,570.09/421,680.38 = 169,596.06/x
  3. Step 3: Cross multiply
    305,570.09x = 421,680.38 × 169,596.06
  4. Step 4: Simplify right side
    305,570.09x = 71,515,330,179.32
  5. Step 5: Solve for x
    x = 71,515,330,179.32/305,570.09
  6. Step 6: Final answer
    x = 234,039.04

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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.