Finding the Fourth Proportional to 446,529.11, 616,207.68 and 242,578.40
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Solution
The fourth proportional to 446,529.11, 616,207.68 and 242,578.40 is: 334,756.84
Step by Step Solution
- Step 1: Write the proportion equation
446,529.11 : 616,207.68 = 242,578.40 : x - Step 2: Convert to fraction form
446,529.11/616,207.68 = 242,578.40/x - Step 3: Cross multiply
446,529.11x = 616,207.68 × 242,578.40 - Step 4: Simplify right side
446,529.11x = 149,478,673,082.11 - Step 5: Solve for x
x = 149,478,673,082.11/446,529.11 - Step 6: Final answer
x = 334,756.84
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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.