Finding the Fourth Proportional to 550,043.68, 759,062.05 and 305,046.02
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Solution
The fourth proportional to 550,043.68, 759,062.05 and 305,046.02 is: 420,964.48
Step by Step Solution
- Step 1: Write the proportion equation
550,043.68 : 759,062.05 = 305,046.02 : x - Step 2: Convert to fraction form
550,043.68/759,062.05 = 305,046.02/x - Step 3: Cross multiply
550,043.68x = 759,062.05 × 305,046.02 - Step 4: Simplify right side
550,043.68x = 231,548,852,727.62 - Step 5: Solve for x
x = 231,548,852,727.62/550,043.68 - Step 6: Final answer
x = 420,964.48
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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.