Finding the Fourth Proportional to 418,357.68, 577,338.06 and 227,371.08
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Solution
The fourth proportional to 418,357.68, 577,338.06 and 227,371.08 is: 313,774.52
Step by Step Solution
- Step 1: Write the proportion equation
418,357.68 : 577,338.06 = 227,371.08 : x - Step 2: Convert to fraction form
418,357.68/577,338.06 = 227,371.08/x - Step 3: Cross multiply
418,357.68x = 577,338.06 × 227,371.08 - Step 4: Simplify right side
418,357.68x = 131,269,978,227.31 - Step 5: Solve for x
x = 131,269,978,227.31/418,357.68 - Step 6: Final answer
x = 313,774.52
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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.