Finding the Fourth Proportional to 403,591.55, 556,934.95 and 222,269.09
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Solution
The fourth proportional to 403,591.55, 556,934.95 and 222,269.09 is: 306,719.56
Step by Step Solution
- Step 1: Write the proportion equation
403,591.55 : 556,934.95 = 222,269.09 : x - Step 2: Convert to fraction form
403,591.55/556,934.95 = 222,269.09/x - Step 3: Cross multiply
403,591.55x = 556,934.95 × 222,269.09 - Step 4: Simplify right side
403,591.55x = 123,789,424,525.70 - Step 5: Solve for x
x = 123,789,424,525.70/403,591.55 - Step 6: Final answer
x = 306,719.56
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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.