Home / 250,425.77-345,456.83-153,651.21

Finding the Fourth Proportional to 250,425.77, 345,456.83 and 153,651.21

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Solution

The fourth proportional to 250,425.77, 345,456.83 and 153,651.21 is: 211,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,425.77 : 345,456.83 = 153,651.21 : x
  2. Step 2: Convert to fraction form
    250,425.77/345,456.83 = 153,651.21/x
  3. Step 3: Cross multiply
    250,425.77x = 345,456.83 × 153,651.21
  4. Step 4: Simplify right side
    250,425.77x = 53,079,859,164.01
  5. Step 5: Solve for x
    x = 53,079,859,164.01/250,425.77
  6. Step 6: Final answer
    x = 211,958.46

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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.