Finding the Fourth Proportional to 99,532.20, 149,258.70 and 32,953.80
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Solution
The fourth proportional to 99,532.20, 149,258.70 and 32,953.80 is: 49,417.59
Step by Step Solution
- Step 1: Write the proportion equation
99,532.20 : 149,258.70 = 32,953.80 : x - Step 2: Convert to fraction form
99,532.20/149,258.70 = 32,953.80/x - Step 3: Cross multiply
99,532.20x = 149,258.70 × 32,953.80 - Step 4: Simplify right side
99,532.20x = 4,918,641,348.06 - Step 5: Solve for x
x = 4,918,641,348.06/99,532.20 - Step 6: Final answer
x = 49,417.59
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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.