Finding the Fourth Proportional to 311,504.96, 429,877.02 and 168,264.99
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Solution
The fourth proportional to 311,504.96, 429,877.02 and 168,264.99 is: 232,205.78
Step by Step Solution
- Step 1: Write the proportion equation
311,504.96 : 429,877.02 = 168,264.99 : x - Step 2: Convert to fraction form
311,504.96/429,877.02 = 168,264.99/x - Step 3: Cross multiply
311,504.96x = 429,877.02 × 168,264.99 - Step 4: Simplify right side
311,504.96x = 72,333,252,471.53 - Step 5: Solve for x
x = 72,333,252,471.53/311,504.96 - Step 6: Final answer
x = 232,205.78
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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.