Finding the Fourth Proportional to 156,240.18, 215,450.19 and 133,653.92
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Solution
The fourth proportional to 156,240.18, 215,450.19 and 133,653.92 is: 184,304.46
Step by Step Solution
- Step 1: Write the proportion equation
156,240.18 : 215,450.19 = 133,653.92 : x - Step 2: Convert to fraction form
156,240.18/215,450.19 = 133,653.92/x - Step 3: Cross multiply
156,240.18x = 215,450.19 × 133,653.92 - Step 4: Simplify right side
156,240.18x = 28,795,761,380.99 - Step 5: Solve for x
x = 28,795,761,380.99/156,240.18 - Step 6: Final answer
x = 184,304.46
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1.5x scale
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.