Finding the Fourth Proportional to 217,655.62, 326,023.47 and 137,652.43
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Solution
The fourth proportional to 217,655.62, 326,023.47 and 137,652.43 is: 206,187.75
Step by Step Solution
- Step 1: Write the proportion equation
217,655.62 : 326,023.47 = 137,652.43 : x - Step 2: Convert to fraction form
217,655.62/326,023.47 = 137,652.43/x - Step 3: Cross multiply
217,655.62x = 326,023.47 × 137,652.43 - Step 4: Simplify right side
217,655.62x = 44,877,921,252.41 - Step 5: Solve for x
x = 44,877,921,252.41/217,655.62 - Step 6: Final answer
x = 206,187.75
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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.