Finding the Fourth Proportional to 86,381.98, 129,575.02 and 23,202.18
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Solution
The fourth proportional to 86,381.98, 129,575.02 and 23,202.18 is: 34,803.82
Step by Step Solution
- Step 1: Write the proportion equation
86,381.98 : 129,575.02 = 23,202.18 : x - Step 2: Convert to fraction form
86,381.98/129,575.02 = 23,202.18/x - Step 3: Cross multiply
86,381.98x = 129,575.02 × 23,202.18 - Step 4: Simplify right side
86,381.98x = 3,006,422,937.54 - Step 5: Solve for x
x = 3,006,422,937.54/86,381.98 - Step 6: Final answer
x = 34,803.82
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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.