Finding the Fourth Proportional to 418,743.09, 577,837.02 and 227,752.38
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Solution
The fourth proportional to 418,743.09, 577,837.02 and 227,752.38 is: 314,282.81
Step by Step Solution
- Step 1: Write the proportion equation
418,743.09 : 577,837.02 = 227,752.38 : x - Step 2: Convert to fraction form
418,743.09/577,837.02 = 227,752.38/x - Step 3: Cross multiply
418,743.09x = 577,837.02 × 227,752.38 - Step 4: Simplify right side
418,743.09x = 131,603,756,557.11 - Step 5: Solve for x
x = 131,603,756,557.11/418,743.09 - Step 6: Final answer
x = 314,282.81
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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.