Finding the Fourth Proportional to 191,598.48, 264,414.03 and 106,715.55
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Solution
The fourth proportional to 191,598.48, 264,414.03 and 106,715.55 is: 147,271.99
Step by Step Solution
- Step 1: Write the proportion equation
191,598.48 : 264,414.03 = 106,715.55 : x - Step 2: Convert to fraction form
191,598.48/264,414.03 = 106,715.55/x - Step 3: Cross multiply
191,598.48x = 264,414.03 × 106,715.55 - Step 4: Simplify right side
191,598.48x = 28,217,088,639.17 - Step 5: Solve for x
x = 28,217,088,639.17/191,598.48 - Step 6: Final answer
x = 147,271.99
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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.