Finding the Fourth Proportional to 217,602.36, 326,316.18 and 67,793.40
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Solution
The fourth proportional to 217,602.36, 326,316.18 and 67,793.40 is: 101,662.88
Step by Step Solution
- Step 1: Write the proportion equation
217,602.36 : 326,316.18 = 67,793.40 : x - Step 2: Convert to fraction form
217,602.36/326,316.18 = 67,793.40/x - Step 3: Cross multiply
217,602.36x = 326,316.18 × 67,793.40 - Step 4: Simplify right side
217,602.36x = 22,122,083,317.21 - Step 5: Solve for x
x = 22,122,083,317.21/217,602.36 - Step 6: Final answer
x = 101,662.88
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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.