Finding the Fourth Proportional to 403,706.50, 557,112.26 and 222,414.19
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Solution
The fourth proportional to 403,706.50, 557,112.26 and 222,414.19 is: 306,930.09
Step by Step Solution
- Step 1: Write the proportion equation
403,706.50 : 557,112.26 = 222,414.19 : x - Step 2: Convert to fraction form
403,706.50/557,112.26 = 222,414.19/x - Step 3: Cross multiply
403,706.50x = 557,112.26 × 222,414.19 - Step 4: Simplify right side
403,706.50x = 123,909,671,210.22 - Step 5: Solve for x
x = 123,909,671,210.22/403,706.50 - Step 6: Final answer
x = 306,930.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.