Finding the Fourth Proportional to 86,360.66, 129,414.99 and 38,271.26
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Solution
The fourth proportional to 86,360.66, 129,414.99 and 38,271.26 is: 57,351.06
Step by Step Solution
- Step 1: Write the proportion equation
86,360.66 : 129,414.99 = 38,271.26 : x - Step 2: Convert to fraction form
86,360.66/129,414.99 = 38,271.26/x - Step 3: Cross multiply
86,360.66x = 129,414.99 × 38,271.26 - Step 4: Simplify right side
86,360.66x = 4,952,875,197.24 - Step 5: Solve for x
x = 4,952,875,197.24/86,360.66 - Step 6: Final answer
x = 57,351.06
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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.