Finding the Fourth Proportional to 219,745.10, 329,812.05 and 188,252.30
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Solution
The fourth proportional to 219,745.10, 329,812.05 and 188,252.30 is: 282,544.99
Step by Step Solution
- Step 1: Write the proportion equation
219,745.10 : 329,812.05 = 188,252.30 : x - Step 2: Convert to fraction form
219,745.10/329,812.05 = 188,252.30/x - Step 3: Cross multiply
219,745.10x = 329,812.05 × 188,252.30 - Step 4: Simplify right side
219,745.10x = 62,087,876,980.22 - Step 5: Solve for x
x = 62,087,876,980.22/219,745.10 - Step 6: Final answer
x = 282,544.99
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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.