Finding the Fourth Proportional to 117,674.38, 176,586.63 and 42,787.35
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Solution
The fourth proportional to 117,674.38, 176,586.63 and 42,787.35 is: 64,208.32
Step by Step Solution
- Step 1: Write the proportion equation
117,674.38 : 176,586.63 = 42,787.35 : x - Step 2: Convert to fraction form
117,674.38/176,586.63 = 42,787.35/x - Step 3: Cross multiply
117,674.38x = 176,586.63 × 42,787.35 - Step 4: Simplify right side
117,674.38x = 7,555,673,943.13 - Step 5: Solve for x
x = 7,555,673,943.13/117,674.38 - Step 6: Final answer
x = 64,208.32
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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.