Home / 401,318.42-553,824.82-220,029.92

Finding the Fourth Proportional to 401,318.42, 553,824.82 and 220,029.92

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Solution

The fourth proportional to 401,318.42, 553,824.82 and 220,029.92 is: 303,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,318.42 : 553,824.82 = 220,029.92 : x
  2. Step 2: Convert to fraction form
    401,318.42/553,824.82 = 220,029.92/x
  3. Step 3: Cross multiply
    401,318.42x = 553,824.82 × 220,029.92
  4. Step 4: Simplify right side
    401,318.42x = 121,858,030,838.61
  5. Step 5: Solve for x
    x = 121,858,030,838.61/401,318.42
  6. Step 6: Final answer
    x = 303,644.25

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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.