Finding the Fourth Proportional to 88,278.36, 132,324.90 and 43,237.68
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Solution
The fourth proportional to 88,278.36, 132,324.90 and 43,237.68 is: 64,811.15
Step by Step Solution
- Step 1: Write the proportion equation
88,278.36 : 132,324.90 = 43,237.68 : x - Step 2: Convert to fraction form
88,278.36/132,324.90 = 43,237.68/x - Step 3: Cross multiply
88,278.36x = 132,324.90 × 43,237.68 - Step 4: Simplify right side
88,278.36x = 5,721,421,682.23 - Step 5: Solve for x
x = 5,721,421,682.23/88,278.36 - Step 6: Final answer
x = 64,811.15
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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.