Finding the Fourth Proportional to 153,134.76, 229,702.14 and 47,961.96
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Solution
The fourth proportional to 153,134.76, 229,702.14 and 47,961.96 is: 71,942.94
Step by Step Solution
- Step 1: Write the proportion equation
153,134.76 : 229,702.14 = 47,961.96 : x - Step 2: Convert to fraction form
153,134.76/229,702.14 = 47,961.96/x - Step 3: Cross multiply
153,134.76x = 229,702.14 × 47,961.96 - Step 4: Simplify right side
153,134.76x = 11,016,964,850.59 - Step 5: Solve for x
x = 11,016,964,850.59/153,134.76 - Step 6: Final answer
x = 71,942.94
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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.