Finding the Fourth Proportional to 318,861.75, 440,049.18 and 175,621.74
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Solution
The fourth proportional to 318,861.75, 440,049.18 and 175,621.74 is: 242,369.00
Step by Step Solution
- Step 1: Write the proportion equation
318,861.75 : 440,049.18 = 175,621.74 : x - Step 2: Convert to fraction form
318,861.75/440,049.18 = 175,621.74/x - Step 3: Cross multiply
318,861.75x = 440,049.18 × 175,621.74 - Step 4: Simplify right side
318,861.75x = 77,282,202,677.17 - Step 5: Solve for x
x = 77,282,202,677.17/318,861.75 - Step 6: Final answer
x = 242,369.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.