Finding the Fourth Proportional to 207,576.96, 286,459.38 and 122,701.92
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Solution
The fourth proportional to 207,576.96, 286,459.38 and 122,701.92 is: 169,330.53
Step by Step Solution
- Step 1: Write the proportion equation
207,576.96 : 286,459.38 = 122,701.92 : x - Step 2: Convert to fraction form
207,576.96/286,459.38 = 122,701.92/x - Step 3: Cross multiply
207,576.96x = 286,459.38 × 122,701.92 - Step 4: Simplify right side
207,576.96x = 35,149,115,928.01 - Step 5: Solve for x
x = 35,149,115,928.01/207,576.96 - Step 6: Final answer
x = 169,330.53
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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.