Finding the Fourth Proportional to 114,230.28, 157,639.97 and 68,337.17
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Solution
The fourth proportional to 114,230.28, 157,639.97 and 68,337.17 is: 94,306.61
Step by Step Solution
- Step 1: Write the proportion equation
114,230.28 : 157,639.97 = 68,337.17 : x - Step 2: Convert to fraction form
114,230.28/157,639.97 = 68,337.17/x - Step 3: Cross multiply
114,230.28x = 157,639.97 × 68,337.17 - Step 4: Simplify right side
114,230.28x = 10,772,670,036.40 - Step 5: Solve for x
x = 10,772,670,036.40/114,230.28 - Step 6: Final answer
x = 94,306.61
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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.