Finding the Fourth Proportional to 86,168.88, 129,262.58 and 36,254.06
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Solution
The fourth proportional to 86,168.88, 129,262.58 and 36,254.06 is: 54,384.99
Step by Step Solution
- Step 1: Write the proportion equation
86,168.88 : 129,262.58 = 36,254.06 : x - Step 2: Convert to fraction form
86,168.88/129,262.58 = 36,254.06/x - Step 3: Cross multiply
86,168.88x = 129,262.58 × 36,254.06 - Step 4: Simplify right side
86,168.88x = 4,686,293,331.07 - Step 5: Solve for x
x = 4,686,293,331.07/86,168.88 - Step 6: Final answer
x = 54,384.99
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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.