Finding the Fourth Proportional to 67,218.18, 100,841.10 and 56,201.84
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Solution
The fourth proportional to 67,218.18, 100,841.10 and 56,201.84 is: 84,314.32
Step by Step Solution
- Step 1: Write the proportion equation
67,218.18 : 100,841.10 = 56,201.84 : x - Step 2: Convert to fraction form
67,218.18/100,841.10 = 56,201.84/x - Step 3: Cross multiply
67,218.18x = 100,841.10 × 56,201.84 - Step 4: Simplify right side
67,218.18x = 5,667,455,367.62 - Step 5: Solve for x
x = 5,667,455,367.62/67,218.18 - Step 6: Final answer
x = 84,314.32
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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.