Finding the Fourth Proportional to 418,351.28, 577,329.23 and 227,364.68
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Solution
The fourth proportional to 418,351.28, 577,329.23 and 227,364.68 is: 313,765.68
Step by Step Solution
- Step 1: Write the proportion equation
418,351.28 : 577,329.23 = 227,364.68 : x - Step 2: Convert to fraction form
418,351.28/577,329.23 = 227,364.68/x - Step 3: Cross multiply
418,351.28x = 577,329.23 × 227,364.68 - Step 4: Simplify right side
418,351.28x = 131,264,273,315.36 - Step 5: Solve for x
x = 131,264,273,315.36/418,351.28 - Step 6: Final answer
x = 313,765.68
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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.