Finding the Fourth Proportional to 665,474.92, 998,197.80 and 185,689.94
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Solution
The fourth proportional to 665,474.92, 998,197.80 and 185,689.94 is: 278,530.84
Step by Step Solution
- Step 1: Write the proportion equation
665,474.92 : 998,197.80 = 185,689.94 : x - Step 2: Convert to fraction form
665,474.92/998,197.80 = 185,689.94/x - Step 3: Cross multiply
665,474.92x = 998,197.80 × 185,689.94 - Step 4: Simplify right side
665,474.92x = 185,355,289,590.13 - Step 5: Solve for x
x = 185,355,289,590.13/665,474.92 - Step 6: Final answer
x = 278,530.84
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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.