Finding the Fourth Proportional to 201,691.20, 302,131.12 and 93,468.99
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Solution
The fourth proportional to 201,691.20, 302,131.12 and 93,468.99 is: 140,015.47
Step by Step Solution
- Step 1: Write the proportion equation
201,691.20 : 302,131.12 = 93,468.99 : x - Step 2: Convert to fraction form
201,691.20/302,131.12 = 93,468.99/x - Step 3: Cross multiply
201,691.20x = 302,131.12 × 93,468.99 - Step 4: Simplify right side
201,691.20x = 28,239,889,123.31 - Step 5: Solve for x
x = 28,239,889,123.31/201,691.20 - Step 6: Final answer
x = 140,015.47
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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.