Finding the Fourth Proportional to 132,177.06, 198,278.10 and 43,430.94
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Solution
The fourth proportional to 132,177.06, 198,278.10 and 43,430.94 is: 65,150.52
Step by Step Solution
- Step 1: Write the proportion equation
132,177.06 : 198,278.10 = 43,430.94 : x - Step 2: Convert to fraction form
132,177.06/198,278.10 = 43,430.94/x - Step 3: Cross multiply
132,177.06x = 198,278.10 × 43,430.94 - Step 4: Simplify right side
132,177.06x = 8,611,404,264.41 - Step 5: Solve for x
x = 8,611,404,264.41/132,177.06 - Step 6: Final answer
x = 65,150.52
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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.