Finding the Fourth Proportional to 665,852.40, 998,908.20 and 192,553.20
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Solution
The fourth proportional to 665,852.40, 998,908.20 and 192,553.20 is: 288,867.28
Step by Step Solution
- Step 1: Write the proportion equation
665,852.40 : 998,908.20 = 192,553.20 : x - Step 2: Convert to fraction form
665,852.40/998,908.20 = 192,553.20/x - Step 3: Cross multiply
665,852.40x = 998,908.20 × 192,553.20 - Step 4: Simplify right side
665,852.40x = 192,342,970,416.24 - Step 5: Solve for x
x = 192,342,970,416.24/665,852.40 - Step 6: Final answer
x = 288,867.28
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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.