Finding the Fourth Proportional to 403,322.26, 605,356.80 and 203,783.08
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Solution
The fourth proportional to 403,322.26, 605,356.80 and 203,783.08 is: 305,863.29
Step by Step Solution
- Step 1: Write the proportion equation
403,322.26 : 605,356.80 = 203,783.08 : x - Step 2: Convert to fraction form
403,322.26/605,356.80 = 203,783.08/x - Step 3: Cross multiply
403,322.26x = 605,356.80 × 203,783.08 - Step 4: Simplify right side
403,322.26x = 123,361,473,202.94 - Step 5: Solve for x
x = 123,361,473,202.94/403,322.26 - Step 6: Final answer
x = 305,863.29
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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.