Home / 401,049.43-553,438.67-219,752.60

Finding the Fourth Proportional to 401,049.43, 553,438.67 and 219,752.60

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Solution

The fourth proportional to 401,049.43, 553,438.67 and 219,752.60 is: 303,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,049.43 : 553,438.67 = 219,752.60 : x
  2. Step 2: Convert to fraction form
    401,049.43/553,438.67 = 219,752.60/x
  3. Step 3: Cross multiply
    401,049.43x = 553,438.67 × 219,752.60
  4. Step 4: Simplify right side
    401,049.43x = 121,619,585,920.18
  5. Step 5: Solve for x
    x = 121,619,585,920.18/401,049.43
  6. Step 6: Final answer
    x = 303,253.35

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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.