Finding the Fourth Proportional to 382,337.76, 527,624.88 and 212,571.84
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Solution
The fourth proportional to 382,337.76, 527,624.88 and 212,571.84 is: 293,348.46
Step by Step Solution
- Step 1: Write the proportion equation
382,337.76 : 527,624.88 = 212,571.84 : x - Step 2: Convert to fraction form
382,337.76/527,624.88 = 212,571.84/x - Step 3: Cross multiply
382,337.76x = 527,624.88 × 212,571.84 - Step 4: Simplify right side
382,337.76x = 112,158,191,571.38 - Step 5: Solve for x
x = 112,158,191,571.38/382,337.76 - Step 6: Final answer
x = 293,348.46
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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.