Finding the Fourth Proportional to 194,951.80, 292,427.70 and 47,207.80
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Solution
The fourth proportional to 194,951.80, 292,427.70 and 47,207.80 is: 70,811.70
Step by Step Solution
- Step 1: Write the proportion equation
194,951.80 : 292,427.70 = 47,207.80 : x - Step 2: Convert to fraction form
194,951.80/292,427.70 = 47,207.80/x - Step 3: Cross multiply
194,951.80x = 292,427.70 × 47,207.80 - Step 4: Simplify right side
194,951.80x = 13,804,868,376.06 - Step 5: Solve for x
x = 13,804,868,376.06/194,951.80 - Step 6: Final answer
x = 70,811.70
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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.