Finding the Fourth Proportional to 384,589.29, 576,938.61 and 118,371.99
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Solution
The fourth proportional to 384,589.29, 576,938.61 and 118,371.99 is: 177,574.81
Step by Step Solution
- Step 1: Write the proportion equation
384,589.29 : 576,938.61 = 118,371.99 : x - Step 2: Convert to fraction form
384,589.29/576,938.61 = 118,371.99/x - Step 3: Cross multiply
384,589.29x = 576,938.61 × 118,371.99 - Step 4: Simplify right side
384,589.29x = 68,293,371,373.53 - Step 5: Solve for x
x = 68,293,371,373.53/384,589.29 - Step 6: Final answer
x = 177,574.81
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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.