Finding the Fourth Proportional to 318,152.44, 477,217.73 and 81,497.17
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Solution
The fourth proportional to 318,152.44, 477,217.73 and 81,497.17 is: 122,242.95
Step by Step Solution
- Step 1: Write the proportion equation
318,152.44 : 477,217.73 = 81,497.17 : x - Step 2: Convert to fraction form
318,152.44/477,217.73 = 81,497.17/x - Step 3: Cross multiply
318,152.44x = 477,217.73 × 81,497.17 - Step 4: Simplify right side
318,152.44x = 38,891,894,061.34 - Step 5: Solve for x
x = 38,891,894,061.34/318,152.44 - Step 6: Final answer
x = 122,242.95
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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.