Finding the Fourth Proportional to 311,122.08, 429,350.22 and 176,986.08
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Solution
The fourth proportional to 311,122.08, 429,350.22 and 176,986.08 is: 244,241.79
Step by Step Solution
- Step 1: Write the proportion equation
311,122.08 : 429,350.22 = 176,986.08 : x - Step 2: Convert to fraction form
311,122.08/429,350.22 = 176,986.08/x - Step 3: Cross multiply
311,122.08x = 429,350.22 × 176,986.08 - Step 4: Simplify right side
311,122.08x = 75,989,012,384.94 - Step 5: Solve for x
x = 75,989,012,384.94/311,122.08 - Step 6: Final answer
x = 244,241.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.