Finding the Fourth Proportional to 145,276.13, 217,717.37 and 75,204.65
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Solution
The fourth proportional to 145,276.13, 217,717.37 and 75,204.65 is: 112,705.08
Step by Step Solution
- Step 1: Write the proportion equation
145,276.13 : 217,717.37 = 75,204.65 : x - Step 2: Convert to fraction form
145,276.13/217,717.37 = 75,204.65/x - Step 3: Cross multiply
145,276.13x = 217,717.37 × 75,204.65 - Step 4: Simplify right side
145,276.13x = 16,373,358,233.75 - Step 5: Solve for x
x = 16,373,358,233.75/145,276.13 - Step 6: Final answer
x = 112,705.08
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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.