Finding the Fourth Proportional to 261,193.92, 360,444.24 and 153,768.48
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Solution
The fourth proportional to 261,193.92, 360,444.24 and 153,768.48 is: 212,198.52
Step by Step Solution
- Step 1: Write the proportion equation
261,193.92 : 360,444.24 = 153,768.48 : x - Step 2: Convert to fraction form
261,193.92/360,444.24 = 153,768.48/x - Step 3: Cross multiply
261,193.92x = 360,444.24 × 153,768.48 - Step 4: Simplify right side
261,193.92x = 55,424,962,909.56 - Step 5: Solve for x
x = 55,424,962,909.56/261,193.92 - Step 6: Final answer
x = 212,198.52
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1.5x scale
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.