Finding the Fourth Proportional to 191,499.19, 264,277.08 and 106,616.25
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Solution
The fourth proportional to 191,499.19, 264,277.08 and 106,616.25 is: 147,134.99
Step by Step Solution
- Step 1: Write the proportion equation
191,499.19 : 264,277.08 = 106,616.25 : x - Step 2: Convert to fraction form
191,499.19/264,277.08 = 106,616.25/x - Step 3: Cross multiply
191,499.19x = 264,277.08 × 106,616.25 - Step 4: Simplify right side
191,499.19x = 28,176,231,230.55 - Step 5: Solve for x
x = 28,176,231,230.55/191,499.19 - Step 6: Final answer
x = 147,134.99
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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.