Finding the Fourth Proportional to 205,523.74, 307,510.43 and 121,329.70
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Solution
The fourth proportional to 205,523.74, 307,510.43 and 121,329.70 is: 181,536.92
Step by Step Solution
- Step 1: Write the proportion equation
205,523.74 : 307,510.43 = 121,329.70 : x - Step 2: Convert to fraction form
205,523.74/307,510.43 = 121,329.70/x - Step 3: Cross multiply
205,523.74x = 307,510.43 × 121,329.70 - Step 4: Simplify right side
205,523.74x = 37,310,147,612.12 - Step 5: Solve for x
x = 37,310,147,612.12/205,523.74 - Step 6: Final answer
x = 181,536.92
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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.