Finding the Fourth Proportional to 307,328.96, 424,082.88 and 171,350.08
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Solution
The fourth proportional to 307,328.96, 424,082.88 and 171,350.08 is: 236,445.78
Step by Step Solution
- Step 1: Write the proportion equation
307,328.96 : 424,082.88 = 171,350.08 : x - Step 2: Convert to fraction form
307,328.96/424,082.88 = 171,350.08/x - Step 3: Cross multiply
307,328.96x = 424,082.88 × 171,350.08 - Step 4: Simplify right side
307,328.96x = 72,666,635,414.63 - Step 5: Solve for x
x = 72,666,635,414.63/307,328.96 - Step 6: Final answer
x = 236,445.78
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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.