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Finding the Fourth Proportional to 406,087.93, 560,407.97 and 222,323.42

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Solution

The fourth proportional to 406,087.93, 560,407.97 and 222,323.42 is: 306,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,087.93 : 560,407.97 = 222,323.42 : x
  2. Step 2: Convert to fraction form
    406,087.93/560,407.97 = 222,323.42/x
  3. Step 3: Cross multiply
    406,087.93x = 560,407.97 × 222,323.42
  4. Step 4: Simplify right side
    406,087.93x = 124,591,816,485.66
  5. Step 5: Solve for x
    x = 124,591,816,485.66/406,087.93
  6. Step 6: Final answer
    x = 306,809.95

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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.