Home / 401,388.56-553,922.44-220,117.04

Finding the Fourth Proportional to 401,388.56, 553,922.44 and 220,117.04

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Solution

The fourth proportional to 401,388.56, 553,922.44 and 220,117.04 is: 303,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,388.56 : 553,922.44 = 220,117.04 : x
  2. Step 2: Convert to fraction form
    401,388.56/553,922.44 = 220,117.04/x
  3. Step 3: Cross multiply
    401,388.56x = 553,922.44 × 220,117.04
  4. Step 4: Simplify right side
    401,388.56x = 121,927,767,882.38
  5. Step 5: Solve for x
    x = 121,927,767,882.38/401,388.56
  6. Step 6: Final answer
    x = 303,764.93

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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.