Finding the Fourth Proportional to 662,723.20, 993,307.20 and 283,643.20
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Solution
The fourth proportional to 662,723.20, 993,307.20 and 283,643.20 is: 425,131.99
Step by Step Solution
- Step 1: Write the proportion equation
662,723.20 : 993,307.20 = 283,643.20 : x - Step 2: Convert to fraction form
662,723.20/993,307.20 = 283,643.20/x - Step 3: Cross multiply
662,723.20x = 993,307.20 × 283,643.20 - Step 4: Simplify right side
662,723.20x = 281,744,832,791.04 - Step 5: Solve for x
x = 281,744,832,791.04/662,723.20 - Step 6: Final answer
x = 425,131.99
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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.