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Finding the Fourth Proportional to 250,560, 345,934.08 and 223,656.48

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Solution

The fourth proportional to 250,560, 345,934.08 and 223,656.48 is: 308,789.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,560 : 345,934.08 = 223,656.48 : x
  2. Step 2: Convert to fraction form
    250,560/345,934.08 = 223,656.48/x
  3. Step 3: Cross multiply
    250,560x = 345,934.08 × 223,656.48
  4. Step 4: Simplify right side
    250,560x = 77,370,398,644.84
  5. Step 5: Solve for x
    x = 77,370,398,644.84/250,560
  6. Step 6: Final answer
    x = 308,789.91

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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.