Finding the Fourth Proportional to 417,405.12, 625,554.09 and 217,893.31
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Solution
The fourth proportional to 417,405.12, 625,554.09 and 217,893.31 is: 326,550.98
Step by Step Solution
- Step 1: Write the proportion equation
417,405.12 : 625,554.09 = 217,893.31 : x - Step 2: Convert to fraction form
417,405.12/625,554.09 = 217,893.31/x - Step 3: Cross multiply
417,405.12x = 625,554.09 × 217,893.31 - Step 4: Simplify right side
417,405.12x = 136,304,051,254.14 - Step 5: Solve for x
x = 136,304,051,254.14/417,405.12 - Step 6: Final answer
x = 326,550.98
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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.