Home / 305,332.85-421,366.08-169,362.37

Finding the Fourth Proportional to 305,332.85, 421,366.08 and 169,362.37

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Solution

The fourth proportional to 305,332.85, 421,366.08 and 169,362.37 is: 233,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,332.85 : 421,366.08 = 169,362.37 : x
  2. Step 2: Convert to fraction form
    305,332.85/421,366.08 = 169,362.37/x
  3. Step 3: Cross multiply
    305,332.85x = 421,366.08 × 169,362.37
  4. Step 4: Simplify right side
    305,332.85x = 71,363,555,839.58
  5. Step 5: Solve for x
    x = 71,363,555,839.58/305,332.85
  6. Step 6: Final answer
    x = 233,723.81

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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.