Finding the Fourth Proportional to 191,660.50, 264,491.58 and 106,783.12
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Solution
The fourth proportional to 191,660.50, 264,491.58 and 106,783.12 is: 147,360.76
Step by Step Solution
- Step 1: Write the proportion equation
191,660.50 : 264,491.58 = 106,783.12 : x - Step 2: Convert to fraction form
191,660.50/264,491.58 = 106,783.12/x - Step 3: Cross multiply
191,660.50x = 264,491.58 × 106,783.12 - Step 4: Simplify right side
191,660.50x = 28,243,236,126.13 - Step 5: Solve for x
x = 28,243,236,126.13/191,660.50 - Step 6: Final answer
x = 147,360.76
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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.