Finding the Fourth Proportional to 219,351.40, 329,027.10 and 217,277.80
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Solution
The fourth proportional to 219,351.40, 329,027.10 and 217,277.80 is: 325,916.70
Step by Step Solution
- Step 1: Write the proportion equation
219,351.40 : 329,027.10 = 217,277.80 : x - Step 2: Convert to fraction form
219,351.40/329,027.10 = 217,277.80/x - Step 3: Cross multiply
219,351.40x = 329,027.10 × 217,277.80 - Step 4: Simplify right side
219,351.40x = 71,490,284,428.38 - Step 5: Solve for x
x = 71,490,284,428.38/219,351.40 - Step 6: Final answer
x = 325,916.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.