Finding the Fourth Proportional to 205,351.32, 283,385.81 and 114,711.09
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Solution
The fourth proportional to 205,351.32, 283,385.81 and 114,711.09 is: 158,301.85
Step by Step Solution
- Step 1: Write the proportion equation
205,351.32 : 283,385.81 = 114,711.09 : x - Step 2: Convert to fraction form
205,351.32/283,385.81 = 114,711.09/x - Step 3: Cross multiply
205,351.32x = 283,385.81 × 114,711.09 - Step 4: Simplify right side
205,351.32x = 32,507,494,582.08 - Step 5: Solve for x
x = 32,507,494,582.08/205,351.32 - Step 6: Final answer
x = 158,301.85
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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.