Finding the Fourth Proportional to 198,354.60, 297,531.84 and 58,113.18
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Solution
The fourth proportional to 198,354.60, 297,531.84 and 58,113.18 is: 87,169.75
Step by Step Solution
- Step 1: Write the proportion equation
198,354.60 : 297,531.84 = 58,113.18 : x - Step 2: Convert to fraction form
198,354.60/297,531.84 = 58,113.18/x - Step 3: Cross multiply
198,354.60x = 297,531.84 × 58,113.18 - Step 4: Simplify right side
198,354.60x = 17,290,521,373.65 - Step 5: Solve for x
x = 17,290,521,373.65/198,354.60 - Step 6: Final answer
x = 87,169.75
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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.