Finding the Fourth Proportional to 418,567.05, 577,615.73 and 227,585.25
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Solution
The fourth proportional to 418,567.05, 577,615.73 and 227,585.25 is: 314,063.95
Step by Step Solution
- Step 1: Write the proportion equation
418,567.05 : 577,615.73 = 227,585.25 : x - Step 2: Convert to fraction form
418,567.05/577,615.73 = 227,585.25/x - Step 3: Cross multiply
418,567.05x = 577,615.73 × 227,585.25 - Step 4: Simplify right side
418,567.05x = 131,456,819,178.06 - Step 5: Solve for x
x = 131,456,819,178.06/418,567.05 - Step 6: Final answer
x = 314,063.95
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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.