Finding the Fourth Proportional to 219,423.80, 329,135.70 and 202,316.60
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Solution
The fourth proportional to 219,423.80, 329,135.70 and 202,316.60 is: 303,474.90
Step by Step Solution
- Step 1: Write the proportion equation
219,423.80 : 329,135.70 = 202,316.60 : x - Step 2: Convert to fraction form
219,423.80/329,135.70 = 202,316.60/x - Step 3: Cross multiply
219,423.80x = 329,135.70 × 202,316.60 - Step 4: Simplify right side
219,423.80x = 66,589,615,762.62 - Step 5: Solve for x
x = 66,589,615,762.62/219,423.80 - Step 6: Final answer
x = 303,474.90
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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.