Finding the Fourth Proportional to 665,881.70, 998,822.55 and 222,649.70
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Solution
The fourth proportional to 665,881.70, 998,822.55 and 222,649.70 is: 333,974.55
Step by Step Solution
- Step 1: Write the proportion equation
665,881.70 : 998,822.55 = 222,649.70 : x - Step 2: Convert to fraction form
665,881.70/998,822.55 = 222,649.70/x - Step 3: Cross multiply
665,881.70x = 998,822.55 × 222,649.70 - Step 4: Simplify right side
665,881.70x = 222,387,541,110.74 - Step 5: Solve for x
x = 222,387,541,110.74/665,881.70 - Step 6: Final answer
x = 333,974.55
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Similar ratio
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1.5x scale
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.