Finding the Fourth Proportional to 211,570.24, 317,362.92 and 71,330.08
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Solution
The fourth proportional to 211,570.24, 317,362.92 and 71,330.08 is: 106,997.67
Step by Step Solution
- Step 1: Write the proportion equation
211,570.24 : 317,362.92 = 71,330.08 : x - Step 2: Convert to fraction form
211,570.24/317,362.92 = 71,330.08/x - Step 3: Cross multiply
211,570.24x = 317,362.92 × 71,330.08 - Step 4: Simplify right side
211,570.24x = 22,637,522,472.63 - Step 5: Solve for x
x = 22,637,522,472.63/211,570.24 - Step 6: Final answer
x = 106,997.67
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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.