Finding the Fourth Proportional to 547,812.99, 821,719.49 and 148,453.74
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Solution
The fourth proportional to 547,812.99, 821,719.49 and 148,453.74 is: 222,680.61
Step by Step Solution
- Step 1: Write the proportion equation
547,812.99 : 821,719.49 = 148,453.74 : x - Step 2: Convert to fraction form
547,812.99/821,719.49 = 148,453.74/x - Step 3: Cross multiply
547,812.99x = 821,719.49 × 148,453.74 - Step 4: Simplify right side
547,812.99x = 121,987,331,521.39 - Step 5: Solve for x
x = 121,987,331,521.39/547,812.99 - Step 6: Final answer
x = 222,680.61
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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.