Finding the Fourth Proportional to 155,217.87, 232,632.14 and 66,367.08
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Solution
The fourth proportional to 155,217.87, 232,632.14 and 66,367.08 is: 99,467.38
Step by Step Solution
- Step 1: Write the proportion equation
155,217.87 : 232,632.14 = 66,367.08 : x - Step 2: Convert to fraction form
155,217.87/232,632.14 = 66,367.08/x - Step 3: Cross multiply
155,217.87x = 232,632.14 × 66,367.08 - Step 4: Simplify right side
155,217.87x = 15,439,115,514.12 - Step 5: Solve for x
x = 15,439,115,514.12/155,217.87 - Step 6: Final answer
x = 99,467.38
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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.