Finding the Fourth Proportional to 618,265.80, 927,227.39 and 218,853.99
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Solution
The fourth proportional to 618,265.80, 927,227.39 and 218,853.99 is: 328,220.34
Step by Step Solution
- Step 1: Write the proportion equation
618,265.80 : 927,227.39 = 218,853.99 : x - Step 2: Convert to fraction form
618,265.80/927,227.39 = 218,853.99/x - Step 3: Cross multiply
618,265.80x = 927,227.39 × 218,853.99 - Step 4: Simplify right side
618,265.80x = 202,927,412,844.52 - Step 5: Solve for x
x = 202,927,412,844.52/618,265.80 - Step 6: Final answer
x = 328,220.34
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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.