Finding the Fourth Proportional to 132,336.99, 198,420.44 and 87,306.26
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Solution
The fourth proportional to 132,336.99, 198,420.44 and 87,306.26 is: 130,903.27
Step by Step Solution
- Step 1: Write the proportion equation
132,336.99 : 198,420.44 = 87,306.26 : x - Step 2: Convert to fraction form
132,336.99/198,420.44 = 87,306.26/x - Step 3: Cross multiply
132,336.99x = 198,420.44 × 87,306.26 - Step 4: Simplify right side
132,336.99x = 17,323,345,095.32 - Step 5: Solve for x
x = 17,323,345,095.32/132,336.99 - Step 6: Final answer
x = 130,903.27
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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.