Home / 290,519.24-400,956.90-163,204.52

Finding the Fourth Proportional to 290,519.24, 400,956.90 and 163,204.52

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Solution

The fourth proportional to 290,519.24, 400,956.90 and 163,204.52 is: 225,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,519.24 : 400,956.90 = 163,204.52 : x
  2. Step 2: Convert to fraction form
    290,519.24/400,956.90 = 163,204.52/x
  3. Step 3: Cross multiply
    290,519.24x = 400,956.90 × 163,204.52
  4. Step 4: Simplify right side
    290,519.24x = 65,437,978,405.19
  5. Step 5: Solve for x
    x = 65,437,978,405.19/290,519.24
  6. Step 6: Final answer
    x = 225,244.90

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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.