Finding the Fourth Proportional to 217,388.93, 326,041.88 and 67,631.09
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Solution
The fourth proportional to 217,388.93, 326,041.88 and 67,631.09 is: 101,433.71
Step by Step Solution
- Step 1: Write the proportion equation
217,388.93 : 326,041.88 = 67,631.09 : x - Step 2: Convert to fraction form
217,388.93/326,041.88 = 67,631.09/x - Step 3: Cross multiply
217,388.93x = 326,041.88 × 67,631.09 - Step 4: Simplify right side
217,388.93x = 22,050,565,761.68 - Step 5: Solve for x
x = 22,050,565,761.68/217,388.93 - Step 6: Final answer
x = 101,433.71
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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.