Finding the Fourth Proportional to 217,616.20, 326,424.30 and 201,869.80
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Solution
The fourth proportional to 217,616.20, 326,424.30 and 201,869.80 is: 302,804.70
Step by Step Solution
- Step 1: Write the proportion equation
217,616.20 : 326,424.30 = 201,869.80 : x - Step 2: Convert to fraction form
217,616.20/326,424.30 = 201,869.80/x - Step 3: Cross multiply
217,616.20x = 326,424.30 × 201,869.80 - Step 4: Simplify right side
217,616.20x = 65,895,208,156.14 - Step 5: Solve for x
x = 65,895,208,156.14/217,616.20 - Step 6: Final answer
x = 302,804.70
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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.