Finding the Fourth Proportional to 157,115.91, 235,674.36 and 38,787.27
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Solution
The fourth proportional to 157,115.91, 235,674.36 and 38,787.27 is: 58,181.02
Step by Step Solution
- Step 1: Write the proportion equation
157,115.91 : 235,674.36 = 38,787.27 : x - Step 2: Convert to fraction form
157,115.91/235,674.36 = 38,787.27/x - Step 3: Cross multiply
157,115.91x = 235,674.36 × 38,787.27 - Step 4: Simplify right side
157,115.91x = 9,141,164,149.62 - Step 5: Solve for x
x = 9,141,164,149.62/157,115.91 - Step 6: Final answer
x = 58,181.02
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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.