Finding the Fourth Proportional to 318,901.96, 440,082.66 and 175,658.68
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Solution
The fourth proportional to 318,901.96, 440,082.66 and 175,658.68 is: 242,407.85
Step by Step Solution
- Step 1: Write the proportion equation
318,901.96 : 440,082.66 = 175,658.68 : x - Step 2: Convert to fraction form
318,901.96/440,082.66 = 175,658.68/x - Step 3: Cross multiply
318,901.96x = 440,082.66 × 175,658.68 - Step 4: Simplify right side
318,901.96x = 77,304,339,146.49 - Step 5: Solve for x
x = 77,304,339,146.49/318,901.96 - Step 6: Final answer
x = 242,407.85
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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.