Finding the Fourth Proportional to 677,909.79, 1,016,149.76 and 222,382.08
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Solution
The fourth proportional to 677,909.79, 1,016,149.76 and 222,382.08 is: 333,338.59
Step by Step Solution
- Step 1: Write the proportion equation
677,909.79 : 1,016,149.76 = 222,382.08 : x - Step 2: Convert to fraction form
677,909.79/1,016,149.76 = 222,382.08/x - Step 3: Cross multiply
677,909.79x = 1,016,149.76 × 222,382.08 - Step 4: Simplify right side
677,909.79x = 225,973,497,776.26 - Step 5: Solve for x
x = 225,973,497,776.26/677,909.79 - Step 6: Final answer
x = 333,338.59
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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.