Finding the Fourth Proportional to 418,324.64, 577,291.66 and 227,338.07
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Solution
The fourth proportional to 418,324.64, 577,291.66 and 227,338.07 is: 313,728.52
Step by Step Solution
- Step 1: Write the proportion equation
418,324.64 : 577,291.66 = 227,338.07 : x - Step 2: Convert to fraction form
418,324.64/577,291.66 = 227,338.07/x - Step 3: Cross multiply
418,324.64x = 577,291.66 × 227,338.07 - Step 4: Simplify right side
418,324.64x = 131,240,368,356.69 - Step 5: Solve for x
x = 131,240,368,356.69/418,324.64 - Step 6: Final answer
x = 313,728.52
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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.