Finding the Fourth Proportional to 318,105.99, 476,514.48 and 147,084.66
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Solution
The fourth proportional to 318,105.99, 476,514.48 and 147,084.66 is: 220,328.99
Step by Step Solution
- Step 1: Write the proportion equation
318,105.99 : 476,514.48 = 147,084.66 : x - Step 2: Convert to fraction form
318,105.99/476,514.48 = 147,084.66/x - Step 3: Cross multiply
318,105.99x = 476,514.48 × 147,084.66 - Step 4: Simplify right side
318,105.99x = 70,087,970,275.88 - Step 5: Solve for x
x = 70,087,970,275.88/318,105.99 - Step 6: Final answer
x = 220,328.99
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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.