Finding the Fourth Proportional to 137,546.19, 206,348.98 and 42,774.53
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Solution
The fourth proportional to 137,546.19, 206,348.98 and 42,774.53 is: 64,171.02
Step by Step Solution
- Step 1: Write the proportion equation
137,546.19 : 206,348.98 = 42,774.53 : x - Step 2: Convert to fraction form
137,546.19/206,348.98 = 42,774.53/x - Step 3: Cross multiply
137,546.19x = 206,348.98 × 42,774.53 - Step 4: Simplify right side
137,546.19x = 8,826,479,496.80 - Step 5: Solve for x
x = 8,826,479,496.80/137,546.19 - Step 6: Final answer
x = 64,171.02
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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.