Finding the Fourth Proportional to 198,234.84, 273,564.35 and 107,590.80
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Solution
The fourth proportional to 198,234.84, 273,564.35 and 107,590.80 is: 148,475.45
Step by Step Solution
- Step 1: Write the proportion equation
198,234.84 : 273,564.35 = 107,590.80 : x - Step 2: Convert to fraction form
198,234.84/273,564.35 = 107,590.80/x - Step 3: Cross multiply
198,234.84x = 273,564.35 × 107,590.80 - Step 4: Simplify right side
198,234.84x = 29,433,006,730.03 - Step 5: Solve for x
x = 29,433,006,730.03/198,234.84 - Step 6: Final answer
x = 148,475.45
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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.