Finding the Fourth Proportional to 418,339.67, 577,313.19 and 227,353.05
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Solution
The fourth proportional to 418,339.67, 577,313.19 and 227,353.05 is: 313,749.63
Step by Step Solution
- Step 1: Write the proportion equation
418,339.67 : 577,313.19 = 227,353.05 : x - Step 2: Convert to fraction form
418,339.67/577,313.19 = 227,353.05/x - Step 3: Cross multiply
418,339.67x = 577,313.19 × 227,353.05 - Step 4: Simplify right side
418,339.67x = 131,253,914,551.73 - Step 5: Solve for x
x = 131,253,914,551.73/418,339.67 - Step 6: Final answer
x = 313,749.63
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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.