Finding the Fourth Proportional to 205,349.53, 307,274.95 and 121,150.03
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Solution
The fourth proportional to 205,349.53, 307,274.95 and 121,150.03 is: 181,282.95
Step by Step Solution
- Step 1: Write the proportion equation
205,349.53 : 307,274.95 = 121,150.03 : x - Step 2: Convert to fraction form
205,349.53/307,274.95 = 121,150.03/x - Step 3: Cross multiply
205,349.53x = 307,274.95 × 121,150.03 - Step 4: Simplify right side
205,349.53x = 37,226,369,410.75 - Step 5: Solve for x
x = 37,226,369,410.75/205,349.53 - Step 6: Final answer
x = 181,282.95
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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.