Home / 401,377.32-553,888.26-220,084.47

Finding the Fourth Proportional to 401,377.32, 553,888.26 and 220,084.47

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Solution

The fourth proportional to 401,377.32, 553,888.26 and 220,084.47 is: 303,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,377.32 : 553,888.26 = 220,084.47 : x
  2. Step 2: Convert to fraction form
    401,377.32/553,888.26 = 220,084.47/x
  3. Step 3: Cross multiply
    401,377.32x = 553,888.26 × 220,084.47
  4. Step 4: Simplify right side
    401,377.32x = 121,902,204,141.32
  5. Step 5: Solve for x
    x = 121,902,204,141.32/401,377.32
  6. Step 6: Final answer
    x = 303,709.75

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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.