Finding the Fourth Proportional to 389,545.74, 584,503.66 and 269,786.99
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Solution
The fourth proportional to 389,545.74, 584,503.66 and 269,786.99 is: 404,808.64
Step by Step Solution
- Step 1: Write the proportion equation
389,545.74 : 584,503.66 = 269,786.99 : x - Step 2: Convert to fraction form
389,545.74/584,503.66 = 269,786.99/x - Step 3: Cross multiply
389,545.74x = 584,503.66 × 269,786.99 - Step 4: Simplify right side
389,545.74x = 157,691,482,681.99 - Step 5: Solve for x
x = 157,691,482,681.99/389,545.74 - Step 6: Final answer
x = 404,808.64
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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.