Finding the Fourth Proportional to 106,227.20, 159,340.80 and 32,355.20
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Solution
The fourth proportional to 106,227.20, 159,340.80 and 32,355.20 is: 48,532.79
Step by Step Solution
- Step 1: Write the proportion equation
106,227.20 : 159,340.80 = 32,355.20 : x - Step 2: Convert to fraction form
106,227.20/159,340.80 = 32,355.20/x - Step 3: Cross multiply
106,227.20x = 159,340.80 × 32,355.20 - Step 4: Simplify right side
106,227.20x = 5,155,502,655.46 - Step 5: Solve for x
x = 5,155,502,655.46/106,227.20 - Step 6: Final answer
x = 48,532.79
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1.5x scale
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.