Finding the Fourth Proportional to 132,720.05, 199,109.61 and 48,480.05
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Solution
The fourth proportional to 132,720.05, 199,109.61 and 48,480.05 is: 72,730.87
Step by Step Solution
- Step 1: Write the proportion equation
132,720.05 : 199,109.61 = 48,480.05 : x - Step 2: Convert to fraction form
132,720.05/199,109.61 = 48,480.05/x - Step 3: Cross multiply
132,720.05x = 199,109.61 × 48,480.05 - Step 4: Simplify right side
132,720.05x = 9,652,844,346.05 - Step 5: Solve for x
x = 9,652,844,346.05/132,720.05 - Step 6: Final answer
x = 72,730.87
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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.