Finding the Fourth Proportional to 459,331.44, 689,107.08 and 222,397.20
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Solution
The fourth proportional to 459,331.44, 689,107.08 and 222,397.20 is: 333,649.02
Step by Step Solution
- Step 1: Write the proportion equation
459,331.44 : 689,107.08 = 222,397.20 : x - Step 2: Convert to fraction form
459,331.44/689,107.08 = 222,397.20/x - Step 3: Cross multiply
459,331.44x = 689,107.08 × 222,397.20 - Step 4: Simplify right side
459,331.44x = 153,255,485,092.18 - Step 5: Solve for x
x = 153,255,485,092.18/459,331.44 - Step 6: Final answer
x = 333,649.02
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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.