Finding the Fourth Proportional to 94,367.80, 141,551.70 and 38,207.80
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Solution
The fourth proportional to 94,367.80, 141,551.70 and 38,207.80 is: 57,311.70
Step by Step Solution
- Step 1: Write the proportion equation
94,367.80 : 141,551.70 = 38,207.80 : x - Step 2: Convert to fraction form
94,367.80/141,551.70 = 38,207.80/x - Step 3: Cross multiply
94,367.80x = 141,551.70 × 38,207.80 - Step 4: Simplify right side
94,367.80x = 5,408,379,043.26 - Step 5: Solve for x
x = 5,408,379,043.26/94,367.80 - Step 6: Final answer
x = 57,311.70
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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.