Finding the Fourth Proportional to 379,690.90, 570,570.99 and 202,324.66
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Solution
The fourth proportional to 379,690.90, 570,570.99 and 202,324.66 is: 304,038.32
Step by Step Solution
- Step 1: Write the proportion equation
379,690.90 : 570,570.99 = 202,324.66 : x - Step 2: Convert to fraction form
379,690.90/570,570.99 = 202,324.66/x - Step 3: Cross multiply
379,690.90x = 570,570.99 × 202,324.66 - Step 4: Simplify right side
379,690.90x = 115,440,581,557.61 - Step 5: Solve for x
x = 115,440,581,557.61/379,690.90 - Step 6: Final answer
x = 304,038.32
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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.