Finding the Fourth Proportional to 217,344.24, 326,134.08 and 90,995.64
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Solution
The fourth proportional to 217,344.24, 326,134.08 and 90,995.64 is: 136,542.75
Step by Step Solution
- Step 1: Write the proportion equation
217,344.24 : 326,134.08 = 90,995.64 : x - Step 2: Convert to fraction form
217,344.24/326,134.08 = 90,995.64/x - Step 3: Cross multiply
217,344.24x = 326,134.08 × 90,995.64 - Step 4: Simplify right side
217,344.24x = 29,676,779,335.41 - Step 5: Solve for x
x = 29,676,779,335.41/217,344.24 - Step 6: Final answer
x = 136,542.75
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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.