Finding the Fourth Proportional to 408,069.80, 612,104.70 and 158,589.80
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Solution
The fourth proportional to 408,069.80, 612,104.70 and 158,589.80 is: 237,884.70
Step by Step Solution
- Step 1: Write the proportion equation
408,069.80 : 612,104.70 = 158,589.80 : x - Step 2: Convert to fraction form
408,069.80/612,104.70 = 158,589.80/x - Step 3: Cross multiply
408,069.80x = 612,104.70 × 158,589.80 - Step 4: Simplify right side
408,069.80x = 97,073,561,952.06 - Step 5: Solve for x
x = 97,073,561,952.06/408,069.80 - Step 6: Final answer
x = 237,884.70
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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.