Finding the Fourth Proportional to 205,350.53, 307,276.45 and 121,151.03
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Solution
The fourth proportional to 205,350.53, 307,276.45 and 121,151.03 is: 181,284.45
Step by Step Solution
- Step 1: Write the proportion equation
205,350.53 : 307,276.45 = 121,151.03 : x - Step 2: Convert to fraction form
205,350.53/307,276.45 = 121,151.03/x - Step 3: Cross multiply
205,350.53x = 307,276.45 × 121,151.03 - Step 4: Simplify right side
205,350.53x = 37,226,858,412.24 - Step 5: Solve for x
x = 37,226,858,412.24/205,350.53 - Step 6: Final answer
x = 181,284.45
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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.