Finding the Fourth Proportional to 403,919.10, 557,440.41 and 222,663.28
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Solution
The fourth proportional to 403,919.10, 557,440.41 and 222,663.28 is: 307,293.00
Step by Step Solution
- Step 1: Write the proportion equation
403,919.10 : 557,440.41 = 222,663.28 : x - Step 2: Convert to fraction form
403,919.10/557,440.41 = 222,663.28/x - Step 3: Cross multiply
403,919.10x = 557,440.41 × 222,663.28 - Step 4: Simplify right side
403,919.10x = 124,121,510,095.15 - Step 5: Solve for x
x = 124,121,510,095.15/403,919.10 - Step 6: Final answer
x = 307,293.00
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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.