Home / 305,186.04-421,200.14-169,250.22

Finding the Fourth Proportional to 305,186.04, 421,200.14 and 169,250.22

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Solution

The fourth proportional to 305,186.04, 421,200.14 and 169,250.22 is: 233,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,186.04 : 421,200.14 = 169,250.22 : x
  2. Step 2: Convert to fraction form
    305,186.04/421,200.14 = 169,250.22/x
  3. Step 3: Cross multiply
    305,186.04x = 421,200.14 × 169,250.22
  4. Step 4: Simplify right side
    305,186.04x = 71,288,215,512.78
  5. Step 5: Solve for x
    x = 71,288,215,512.78/305,186.04
  6. Step 6: Final answer
    x = 233,589.37

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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.