Finding the Fourth Proportional to 228,873.80, 343,310.70 and 104,457.80
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Solution
The fourth proportional to 228,873.80, 343,310.70 and 104,457.80 is: 156,686.70
Step by Step Solution
- Step 1: Write the proportion equation
228,873.80 : 343,310.70 = 104,457.80 : x - Step 2: Convert to fraction form
228,873.80/343,310.70 = 104,457.80/x - Step 3: Cross multiply
228,873.80x = 343,310.70 × 104,457.80 - Step 4: Simplify right side
228,873.80x = 35,861,480,438.46 - Step 5: Solve for x
x = 35,861,480,438.46/228,873.80 - Step 6: Final answer
x = 156,686.70
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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.