Finding the Fourth Proportional to 322,744.20, 445,355.84 and 186,751.08
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Solution
The fourth proportional to 322,744.20, 445,355.84 and 186,751.08 is: 257,698.46
Step by Step Solution
- Step 1: Write the proportion equation
322,744.20 : 445,355.84 = 186,751.08 : x - Step 2: Convert to fraction form
322,744.20/445,355.84 = 186,751.08/x - Step 3: Cross multiply
322,744.20x = 445,355.84 × 186,751.08 - Step 4: Simplify right side
322,744.20x = 83,170,683,170.55 - Step 5: Solve for x
x = 83,170,683,170.55/322,744.20 - Step 6: Final answer
x = 257,698.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.