Finding the Fourth Proportional to 86,302.80, 129,466.96 and 44,206.70
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Solution
The fourth proportional to 86,302.80, 129,466.96 and 44,206.70 is: 66,316.58
Step by Step Solution
- Step 1: Write the proportion equation
86,302.80 : 129,466.96 = 44,206.70 : x - Step 2: Convert to fraction form
86,302.80/129,466.96 = 44,206.70/x - Step 3: Cross multiply
86,302.80x = 129,466.96 × 44,206.70 - Step 4: Simplify right side
86,302.80x = 5,723,306,302.78 - Step 5: Solve for x
x = 5,723,306,302.78/86,302.80 - Step 6: Final answer
x = 66,316.58
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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.