Finding the Fourth Proportional to 205,542.76, 283,612.68 and 114,869.74
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Solution
The fourth proportional to 205,542.76, 283,612.68 and 114,869.74 is: 158,499.94
Step by Step Solution
- Step 1: Write the proportion equation
205,542.76 : 283,612.68 = 114,869.74 : x - Step 2: Convert to fraction form
205,542.76/283,612.68 = 114,869.74/x - Step 3: Cross multiply
205,542.76x = 283,612.68 × 114,869.74 - Step 4: Simplify right side
205,542.76x = 32,578,514,812.30 - Step 5: Solve for x
x = 32,578,514,812.30/205,542.76 - Step 6: Final answer
x = 158,499.94
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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.