Finding the Fourth Proportional to 418,237.84, 577,171.74 and 227,251.23
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Solution
The fourth proportional to 418,237.84, 577,171.74 and 227,251.23 is: 313,608.61
Step by Step Solution
- Step 1: Write the proportion equation
418,237.84 : 577,171.74 = 227,251.23 : x - Step 2: Convert to fraction form
418,237.84/577,171.74 = 227,251.23/x - Step 3: Cross multiply
418,237.84x = 577,171.74 × 227,251.23 - Step 4: Simplify right side
418,237.84x = 131,162,987,836.24 - Step 5: Solve for x
x = 131,162,987,836.24/418,237.84 - Step 6: Final answer
x = 313,608.61
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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.