Finding the Fourth Proportional to 403,573.58, 556,935.30 and 222,286.17
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Solution
The fourth proportional to 403,573.58, 556,935.30 and 222,286.17 is: 306,756.99
Step by Step Solution
- Step 1: Write the proportion equation
403,573.58 : 556,935.30 = 222,286.17 : x - Step 2: Convert to fraction form
403,573.58/556,935.30 = 222,286.17/x - Step 3: Cross multiply
403,573.58x = 556,935.30 × 222,286.17 - Step 4: Simplify right side
403,573.58x = 123,799,014,774.80 - Step 5: Solve for x
x = 123,799,014,774.80/403,573.58 - Step 6: Final answer
x = 306,756.99
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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.