Finding the Fourth Proportional to 543,566.94, 815,580.75 and 290,781.18
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Solution
The fourth proportional to 543,566.94, 815,580.75 and 290,781.18 is: 436,294.99
Step by Step Solution
- Step 1: Write the proportion equation
543,566.94 : 815,580.75 = 290,781.18 : x - Step 2: Convert to fraction form
543,566.94/815,580.75 = 290,781.18/x - Step 3: Cross multiply
543,566.94x = 815,580.75 × 290,781.18 - Step 4: Simplify right side
543,566.94x = 237,155,532,870.29 - Step 5: Solve for x
x = 237,155,532,870.29/543,566.94 - Step 6: Final answer
x = 436,294.99
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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.