Finding the Fourth Proportional to 205,959.20, 283,981.55 and 165,090.65
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Solution
The fourth proportional to 205,959.20, 283,981.55 and 165,090.65 is: 227,630.99
Step by Step Solution
- Step 1: Write the proportion equation
205,959.20 : 283,981.55 = 165,090.65 : x - Step 2: Convert to fraction form
205,959.20/283,981.55 = 165,090.65/x - Step 3: Cross multiply
205,959.20x = 283,981.55 × 165,090.65 - Step 4: Simplify right side
205,959.20x = 46,882,696,432.15 - Step 5: Solve for x
x = 46,882,696,432.15/205,959.20 - Step 6: Final answer
x = 227,630.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.