Finding the Fourth Proportional to 403,856.68, 557,326.02 and 222,575.14
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Solution
The fourth proportional to 403,856.68, 557,326.02 and 222,575.14 is: 307,155.79
Step by Step Solution
- Step 1: Write the proportion equation
403,856.68 : 557,326.02 = 222,575.14 : x - Step 2: Convert to fraction form
403,856.68/557,326.02 = 222,575.14/x - Step 3: Cross multiply
403,856.68x = 557,326.02 × 222,575.14 - Step 4: Simplify right side
403,856.68x = 124,046,916,927.14 - Step 5: Solve for x
x = 124,046,916,927.14/403,856.68 - Step 6: Final answer
x = 307,155.79
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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.