Home / 290,473.52-400,891.04-163,149.12

Finding the Fourth Proportional to 290,473.52, 400,891.04 and 163,149.12

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Solution

The fourth proportional to 290,473.52, 400,891.04 and 163,149.12 is: 225,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,473.52 : 400,891.04 = 163,149.12 : x
  2. Step 2: Convert to fraction form
    290,473.52/400,891.04 = 163,149.12/x
  3. Step 3: Cross multiply
    290,473.52x = 400,891.04 × 163,149.12
  4. Step 4: Simplify right side
    290,473.52x = 65,405,020,391.88
  5. Step 5: Solve for x
    x = 65,405,020,391.88/290,473.52
  6. Step 6: Final answer
    x = 225,166.89

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1.5x scale

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.