Finding the Fourth Proportional to 133,933.50, 201,702.27 and 121,976.10
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Solution
The fourth proportional to 133,933.50, 201,702.27 and 121,976.10 is: 183,694.57
Step by Step Solution
- Step 1: Write the proportion equation
133,933.50 : 201,702.27 = 121,976.10 : x - Step 2: Convert to fraction form
133,933.50/201,702.27 = 121,976.10/x - Step 3: Cross multiply
133,933.50x = 201,702.27 × 121,976.10 - Step 4: Simplify right side
133,933.50x = 24,602,856,255.75 - Step 5: Solve for x
x = 24,602,856,255.75/133,933.50 - Step 6: Final answer
x = 183,694.57
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.