Finding the Fourth Proportional to 121,560.29, 182,319.26 and 54,984.83
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Solution
The fourth proportional to 121,560.29, 182,319.26 and 54,984.83 is: 82,467.65
Step by Step Solution
- Step 1: Write the proportion equation
121,560.29 : 182,319.26 = 54,984.83 : x - Step 2: Convert to fraction form
121,560.29/182,319.26 = 54,984.83/x - Step 3: Cross multiply
121,560.29x = 182,319.26 × 54,984.83 - Step 4: Simplify right side
121,560.29x = 10,024,792,330.31 - Step 5: Solve for x
x = 10,024,792,330.31/121,560.29 - Step 6: Final answer
x = 82,467.65
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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.