Finding the Fourth Proportional to 84,350.36, 126,530.76 and 28,195.52
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Solution
The fourth proportional to 84,350.36, 126,530.76 and 28,195.52 is: 42,295.02
Step by Step Solution
- Step 1: Write the proportion equation
84,350.36 : 126,530.76 = 28,195.52 : x - Step 2: Convert to fraction form
84,350.36/126,530.76 = 28,195.52/x - Step 3: Cross multiply
84,350.36x = 126,530.76 × 28,195.52 - Step 4: Simplify right side
84,350.36x = 3,567,600,574.20 - Step 5: Solve for x
x = 3,567,600,574.20/84,350.36 - Step 6: Final answer
x = 42,295.02
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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.