Finding the Fourth Proportional to 86,197.14, 129,338.08 and 38,844.94
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Solution
The fourth proportional to 86,197.14, 129,338.08 and 38,844.94 is: 58,286.50
Step by Step Solution
- Step 1: Write the proportion equation
86,197.14 : 129,338.08 = 38,844.94 : x - Step 2: Convert to fraction form
86,197.14/129,338.08 = 38,844.94/x - Step 3: Cross multiply
86,197.14x = 129,338.08 × 38,844.94 - Step 4: Simplify right side
86,197.14x = 5,024,129,957.32 - Step 5: Solve for x
x = 5,024,129,957.32/86,197.14 - Step 6: Final answer
x = 58,286.50
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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.