Finding the Fourth Proportional to 311,291.80, 466,937.70 and 271,925.80
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Solution
The fourth proportional to 311,291.80, 466,937.70 and 271,925.80 is: 407,888.70
Step by Step Solution
- Step 1: Write the proportion equation
311,291.80 : 466,937.70 = 271,925.80 : x - Step 2: Convert to fraction form
311,291.80/466,937.70 = 271,925.80/x - Step 3: Cross multiply
311,291.80x = 466,937.70 × 271,925.80 - Step 4: Simplify right side
311,291.80x = 126,972,407,622.66 - Step 5: Solve for x
x = 126,972,407,622.66/311,291.80 - Step 6: Final answer
x = 407,888.70
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1.5x scale
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.