Home / 290,520.24-400,958.28-163,205.52

Finding the Fourth Proportional to 290,520.24, 400,958.28 and 163,205.52

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Solution

The fourth proportional to 290,520.24, 400,958.28 and 163,205.52 is: 225,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,520.24 : 400,958.28 = 163,205.52 : x
  2. Step 2: Convert to fraction form
    290,520.24/400,958.28 = 163,205.52/x
  3. Step 3: Cross multiply
    290,520.24x = 400,958.28 × 163,205.52
  4. Step 4: Simplify right side
    290,520.24x = 65,438,604,585.71
  5. Step 5: Solve for x
    x = 65,438,604,585.71/290,520.24
  6. Step 6: Final answer
    x = 225,246.28

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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.