Finding the Fourth Proportional to 218,238.60, 326,832.21 and 147,904.68
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Solution
The fourth proportional to 218,238.60, 326,832.21 and 147,904.68 is: 221,500.75
Step by Step Solution
- Step 1: Write the proportion equation
218,238.60 : 326,832.21 = 147,904.68 : x - Step 2: Convert to fraction form
218,238.60/326,832.21 = 147,904.68/x - Step 3: Cross multiply
218,238.60x = 326,832.21 × 147,904.68 - Step 4: Simplify right side
218,238.60x = 48,340,013,433.74 - Step 5: Solve for x
x = 48,340,013,433.74/218,238.60 - Step 6: Final answer
x = 221,500.75
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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.