Finding the Fourth Proportional to 121,568.14, 182,672.93 and 65,449.74
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Solution
The fourth proportional to 121,568.14, 182,672.93 and 65,449.74 is: 98,347.28
Step by Step Solution
- Step 1: Write the proportion equation
121,568.14 : 182,672.93 = 65,449.74 : x - Step 2: Convert to fraction form
121,568.14/182,672.93 = 65,449.74/x - Step 3: Cross multiply
121,568.14x = 182,672.93 × 65,449.74 - Step 4: Simplify right side
121,568.14x = 11,955,895,773.54 - Step 5: Solve for x
x = 11,955,895,773.54/121,568.14 - Step 6: Final answer
x = 98,347.28
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1.5x scale
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.