Finding the Fourth Proportional to 417,407.62, 625,557.84 and 217,895.82
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Solution
The fourth proportional to 417,407.62, 625,557.84 and 217,895.82 is: 326,554.74
Step by Step Solution
- Step 1: Write the proportion equation
417,407.62 : 625,557.84 = 217,895.82 : x - Step 2: Convert to fraction form
417,407.62/625,557.84 = 217,895.82/x - Step 3: Cross multiply
417,407.62x = 625,557.84 × 217,895.82 - Step 4: Simplify right side
417,407.62x = 136,306,438,504.23 - Step 5: Solve for x
x = 136,306,438,504.23/417,407.62 - Step 6: Final answer
x = 326,554.74
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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.