Finding the Fourth Proportional to 214,264.04, 321,436.67 and 86,190.12
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Solution
The fourth proportional to 214,264.04, 321,436.67 and 86,190.12 is: 129,301.52
Step by Step Solution
- Step 1: Write the proportion equation
214,264.04 : 321,436.67 = 86,190.12 : x - Step 2: Convert to fraction form
214,264.04/321,436.67 = 86,190.12/x - Step 3: Cross multiply
214,264.04x = 321,436.67 × 86,190.12 - Step 4: Simplify right side
214,264.04x = 27,704,664,728.75 - Step 5: Solve for x
x = 27,704,664,728.75/214,264.04 - Step 6: Final answer
x = 129,301.52
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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.