Finding the Fourth Proportional to 418,252.63, 577,187.44 and 227,265.97
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Solution
The fourth proportional to 418,252.63, 577,187.44 and 227,265.97 is: 313,626.39
Step by Step Solution
- Step 1: Write the proportion equation
418,252.63 : 577,187.44 = 227,265.97 : x - Step 2: Convert to fraction form
418,252.63/577,187.44 = 227,265.97/x - Step 3: Cross multiply
418,252.63x = 577,187.44 × 227,265.97 - Step 4: Simplify right side
418,252.63x = 131,175,063,423.42 - Step 5: Solve for x
x = 131,175,063,423.42/418,252.63 - Step 6: Final answer
x = 313,626.39
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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.