Finding the Fourth Proportional to 134,969.76, 202,455.36 and 88,516.80
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Solution
The fourth proportional to 134,969.76, 202,455.36 and 88,516.80 is: 132,775.67
Step by Step Solution
- Step 1: Write the proportion equation
134,969.76 : 202,455.36 = 88,516.80 : x - Step 2: Convert to fraction form
134,969.76/202,455.36 = 88,516.80/x - Step 3: Cross multiply
134,969.76x = 202,455.36 × 88,516.80 - Step 4: Simplify right side
134,969.76x = 17,920,700,610.05 - Step 5: Solve for x
x = 17,920,700,610.05/134,969.76 - Step 6: Final answer
x = 132,775.67
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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.