Finding the Fourth Proportional to 499,979.92, 750,115.11 and 180,125.70
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Solution
The fourth proportional to 499,979.92, 750,115.11 and 180,125.70 is: 270,240.87
Step by Step Solution
- Step 1: Write the proportion equation
499,979.92 : 750,115.11 = 180,125.70 : x - Step 2: Convert to fraction form
499,979.92/750,115.11 = 180,125.70/x - Step 3: Cross multiply
499,979.92x = 750,115.11 × 180,125.70 - Step 4: Simplify right side
499,979.92x = 135,115,009,269.33 - Step 5: Solve for x
x = 135,115,009,269.33/499,979.92 - Step 6: Final answer
x = 270,240.87
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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.