Finding the Fourth Proportional to 192,092.13, 288,171.99 and 65,702.70
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Solution
The fourth proportional to 192,092.13, 288,171.99 and 65,702.70 is: 98,565.61
Step by Step Solution
- Step 1: Write the proportion equation
192,092.13 : 288,171.99 = 65,702.70 : x - Step 2: Convert to fraction form
192,092.13/288,171.99 = 65,702.70/x - Step 3: Cross multiply
192,092.13x = 288,171.99 × 65,702.70 - Step 4: Simplify right side
192,092.13x = 18,933,677,807.37 - Step 5: Solve for x
x = 18,933,677,807.37/192,092.13 - Step 6: Final answer
x = 98,565.61
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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.