Finding the Fourth Proportional to 204,423.80, 306,635.70 and 151,279.70
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Solution
The fourth proportional to 204,423.80, 306,635.70 and 151,279.70 is: 226,919.55
Step by Step Solution
- Step 1: Write the proportion equation
204,423.80 : 306,635.70 = 151,279.70 : x - Step 2: Convert to fraction form
204,423.80/306,635.70 = 151,279.70/x - Step 3: Cross multiply
204,423.80x = 306,635.70 × 151,279.70 - Step 4: Simplify right side
204,423.80x = 46,387,756,705.29 - Step 5: Solve for x
x = 46,387,756,705.29/204,423.80 - Step 6: Final answer
x = 226,919.55
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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.