Finding the Fourth Proportional to 403,406.36, 556,696.08 and 222,114.44
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Solution
The fourth proportional to 403,406.36, 556,696.08 and 222,114.44 is: 306,515.34
Step by Step Solution
- Step 1: Write the proportion equation
403,406.36 : 556,696.08 = 222,114.44 : x - Step 2: Convert to fraction form
403,406.36/556,696.08 = 222,114.44/x - Step 3: Cross multiply
403,406.36x = 556,696.08 × 222,114.44 - Step 4: Simplify right side
403,406.36x = 123,650,238,059.40 - Step 5: Solve for x
x = 123,650,238,059.40/403,406.36 - Step 6: Final answer
x = 306,515.34
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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.