Finding the Fourth Proportional to 314,732.05, 434,330.15 and 171,491.99
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Solution
The fourth proportional to 314,732.05, 434,330.15 and 171,491.99 is: 236,658.90
Step by Step Solution
- Step 1: Write the proportion equation
314,732.05 : 434,330.15 = 171,491.99 : x - Step 2: Convert to fraction form
314,732.05/434,330.15 = 171,491.99/x - Step 3: Cross multiply
314,732.05x = 434,330.15 × 171,491.99 - Step 4: Simplify right side
314,732.05x = 74,484,138,711.39 - Step 5: Solve for x
x = 74,484,138,711.39/314,732.05 - Step 6: Final answer
x = 236,658.90
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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.