Finding the Fourth Proportional to 665,161.92, 998,076.48 and 310,203.84
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Solution
The fourth proportional to 665,161.92, 998,076.48 and 310,203.84 is: 465,461.34
Step by Step Solution
- Step 1: Write the proportion equation
665,161.92 : 998,076.48 = 310,203.84 : x - Step 2: Convert to fraction form
665,161.92/998,076.48 = 310,203.84/x - Step 3: Cross multiply
665,161.92x = 998,076.48 × 310,203.84 - Step 4: Simplify right side
665,161.92x = 309,607,156,709.68 - Step 5: Solve for x
x = 309,607,156,709.68/665,161.92 - Step 6: Final answer
x = 465,461.34
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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.