Finding the Fourth Proportional to 198,237.68, 297,414.85 and 79,848.08
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Solution
The fourth proportional to 198,237.68, 297,414.85 and 79,848.08 is: 119,795.61
Step by Step Solution
- Step 1: Write the proportion equation
198,237.68 : 297,414.85 = 79,848.08 : x - Step 2: Convert to fraction form
198,237.68/297,414.85 = 79,848.08/x - Step 3: Cross multiply
198,237.68x = 297,414.85 × 79,848.08 - Step 4: Simplify right side
198,237.68x = 23,748,004,735.99 - Step 5: Solve for x
x = 23,748,004,735.99/198,237.68 - Step 6: Final answer
x = 119,795.61
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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.