Finding the Fourth Proportional to 79,654.68, 119,464.20 and 23,482.80
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Solution
The fourth proportional to 79,654.68, 119,464.20 and 23,482.80 is: 35,218.95
Step by Step Solution
- Step 1: Write the proportion equation
79,654.68 : 119,464.20 = 23,482.80 : x - Step 2: Convert to fraction form
79,654.68/119,464.20 = 23,482.80/x - Step 3: Cross multiply
79,654.68x = 119,464.20 × 23,482.80 - Step 4: Simplify right side
79,654.68x = 2,805,353,915.76 - Step 5: Solve for x
x = 2,805,353,915.76/79,654.68 - Step 6: Final answer
x = 35,218.95
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1.5x scale
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.