Finding the Fourth Proportional to 137,278.68, 205,850.40 and 57,292.44
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Solution
The fourth proportional to 137,278.68, 205,850.40 and 57,292.44 is: 85,910.44
Step by Step Solution
- Step 1: Write the proportion equation
137,278.68 : 205,850.40 = 57,292.44 : x - Step 2: Convert to fraction form
137,278.68/205,850.40 = 57,292.44/x - Step 3: Cross multiply
137,278.68x = 205,850.40 × 57,292.44 - Step 4: Simplify right side
137,278.68x = 11,793,671,690.98 - Step 5: Solve for x
x = 11,793,671,690.98/137,278.68 - Step 6: Final answer
x = 85,910.44
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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.