Home / 356,923.32-492,552.80-220,930.16

Finding the Fourth Proportional to 356,923.32, 492,552.80 and 220,930.16

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Solution

The fourth proportional to 356,923.32, 492,552.80 and 220,930.16 is: 304,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,923.32 : 492,552.80 = 220,930.16 : x
  2. Step 2: Convert to fraction form
    356,923.32/492,552.80 = 220,930.16/x
  3. Step 3: Cross multiply
    356,923.32x = 492,552.80 × 220,930.16
  4. Step 4: Simplify right side
    356,923.32x = 108,819,768,912.45
  5. Step 5: Solve for x
    x = 108,819,768,912.45/356,923.32
  6. Step 6: Final answer
    x = 304,882.77

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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.