Finding the Fourth Proportional to 625,714.20, 938,009.97 and 226,261.08
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Solution
The fourth proportional to 625,714.20, 938,009.97 and 226,261.08 is: 339,188.64
Step by Step Solution
- Step 1: Write the proportion equation
625,714.20 : 938,009.97 = 226,261.08 : x - Step 2: Convert to fraction form
625,714.20/938,009.97 = 226,261.08/x - Step 3: Cross multiply
625,714.20x = 938,009.97 × 226,261.08 - Step 4: Simplify right side
625,714.20x = 212,235,148,862.97 - Step 5: Solve for x
x = 212,235,148,862.97/625,714.20 - Step 6: Final answer
x = 339,188.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.