Finding the Fourth Proportional to 617,235.11, 925,660.47 and 217,782.29
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Solution
The fourth proportional to 617,235.11, 925,660.47 and 217,782.29 is: 326,605.62
Step by Step Solution
- Step 1: Write the proportion equation
617,235.11 : 925,660.47 = 217,782.29 : x - Step 2: Convert to fraction form
617,235.11/925,660.47 = 217,782.29/x - Step 3: Cross multiply
617,235.11x = 925,660.47 × 217,782.29 - Step 4: Simplify right side
617,235.11x = 201,592,456,919.08 - Step 5: Solve for x
x = 201,592,456,919.08/617,235.11 - Step 6: Final answer
x = 326,605.62
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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.