Finding the Fourth Proportional to 86,364.32, 129,551.12 and 27,204.62
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Solution
The fourth proportional to 86,364.32, 129,551.12 and 27,204.62 is: 40,808.38
Step by Step Solution
- Step 1: Write the proportion equation
86,364.32 : 129,551.12 = 27,204.62 : x - Step 2: Convert to fraction form
86,364.32/129,551.12 = 27,204.62/x - Step 3: Cross multiply
86,364.32x = 129,551.12 × 27,204.62 - Step 4: Simplify right side
86,364.32x = 3,524,388,206.40 - Step 5: Solve for x
x = 3,524,388,206.40/86,364.32 - Step 6: Final answer
x = 40,808.38
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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.