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Finding the Fourth Proportional to 325,304.77, 487,976.30 and 125,626.20

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Solution

The fourth proportional to 325,304.77, 487,976.30 and 125,626.20 is: 188,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,304.77 : 487,976.30 = 125,626.20 : x
  2. Step 2: Convert to fraction form
    325,304.77/487,976.30 = 125,626.20/x
  3. Step 3: Cross multiply
    325,304.77x = 487,976.30 × 125,626.20
  4. Step 4: Simplify right side
    325,304.77x = 61,302,607,630.93
  5. Step 5: Solve for x
    x = 61,302,607,630.93/325,304.77
  6. Step 6: Final answer
    x = 188,446.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.