Finding the Fourth Proportional to 194,853.40, 292,207.20 and 68,444.80
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Solution
The fourth proportional to 194,853.40, 292,207.20 and 68,444.80 is: 102,641.59
Step by Step Solution
- Step 1: Write the proportion equation
194,853.40 : 292,207.20 = 68,444.80 : x - Step 2: Convert to fraction form
194,853.40/292,207.20 = 68,444.80/x - Step 3: Cross multiply
194,853.40x = 292,207.20 × 68,444.80 - Step 4: Simplify right side
194,853.40x = 20,000,063,362.56 - Step 5: Solve for x
x = 20,000,063,362.56/194,853.40 - Step 6: Final answer
x = 102,641.59
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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.