Finding the Fourth Proportional to 217,064.13, 323,671.38 and 202,586.19
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Solution
The fourth proportional to 217,064.13, 323,671.38 and 202,586.19 is: 302,082.85
Step by Step Solution
- Step 1: Write the proportion equation
217,064.13 : 323,671.38 = 202,586.19 : x - Step 2: Convert to fraction form
217,064.13/323,671.38 = 202,586.19/x - Step 3: Cross multiply
217,064.13x = 323,671.38 × 202,586.19 - Step 4: Simplify right side
217,064.13x = 65,571,351,686.24 - Step 5: Solve for x
x = 65,571,351,686.24/217,064.13 - Step 6: Final answer
x = 302,082.85
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.