Finding the Fourth Proportional to 403,924.12, 557,419.12 and 222,643.08
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Solution
The fourth proportional to 403,924.12, 557,419.12 and 222,643.08 is: 307,249.56
Step by Step Solution
- Step 1: Write the proportion equation
403,924.12 : 557,419.12 = 222,643.08 : x - Step 2: Convert to fraction form
403,924.12/557,419.12 = 222,643.08/x - Step 3: Cross multiply
403,924.12x = 557,419.12 × 222,643.08 - Step 4: Simplify right side
403,924.12x = 124,105,509,171.08 - Step 5: Solve for x
x = 124,105,509,171.08/403,924.12 - Step 6: Final answer
x = 307,249.56
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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.