Finding the Fourth Proportional to 219,409.80, 329,114.70 and 202,129.80
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Solution
The fourth proportional to 219,409.80, 329,114.70 and 202,129.80 is: 303,194.70
Step by Step Solution
- Step 1: Write the proportion equation
219,409.80 : 329,114.70 = 202,129.80 : x - Step 2: Convert to fraction form
219,409.80/329,114.70 = 202,129.80/x - Step 3: Cross multiply
219,409.80x = 329,114.70 × 202,129.80 - Step 4: Simplify right side
219,409.80x = 66,523,888,488.06 - Step 5: Solve for x
x = 66,523,888,488.06/219,409.80 - Step 6: Final answer
x = 303,194.70
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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.