Finding the Fourth Proportional to 198,622.70, 297,934.19 and 58,479.74
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Solution
The fourth proportional to 198,622.70, 297,934.19 and 58,479.74 is: 87,719.64
Step by Step Solution
- Step 1: Write the proportion equation
198,622.70 : 297,934.19 = 58,479.74 : x - Step 2: Convert to fraction form
198,622.70/297,934.19 = 58,479.74/x - Step 3: Cross multiply
198,622.70x = 297,934.19 × 58,479.74 - Step 4: Simplify right side
198,622.70x = 17,423,112,186.24 - Step 5: Solve for x
x = 17,423,112,186.24/198,622.70 - Step 6: Final answer
x = 87,719.64
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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.