Finding the Fourth Proportional to 198,387.84, 297,523.84 and 58,113.28
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Solution
The fourth proportional to 198,387.84, 297,523.84 and 58,113.28 is: 87,152.95
Step by Step Solution
- Step 1: Write the proportion equation
198,387.84 : 297,523.84 = 58,113.28 : x - Step 2: Convert to fraction form
198,387.84/297,523.84 = 58,113.28/x - Step 3: Cross multiply
198,387.84x = 297,523.84 × 58,113.28 - Step 4: Simplify right side
198,387.84x = 17,290,086,220.60 - Step 5: Solve for x
x = 17,290,086,220.60/198,387.84 - Step 6: Final answer
x = 87,152.95
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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.