Finding the Fourth Proportional to 86,427.34, 129,641.00 and 27,268.99
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Solution
The fourth proportional to 86,427.34, 129,641.00 and 27,268.99 is: 40,903.48
Step by Step Solution
- Step 1: Write the proportion equation
86,427.34 : 129,641.00 = 27,268.99 : x - Step 2: Convert to fraction form
86,427.34/129,641.00 = 27,268.99/x - Step 3: Cross multiply
86,427.34x = 129,641.00 × 27,268.99 - Step 4: Simplify right side
86,427.34x = 3,535,178,672.14 - Step 5: Solve for x
x = 3,535,178,672.14/86,427.34 - Step 6: Final answer
x = 40,903.48
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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.