Finding the Fourth Proportional to 353,416.41, 530,229.11 and 203,764.05
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Solution
The fourth proportional to 353,416.41, 530,229.11 and 203,764.05 is: 305,706.32
Step by Step Solution
- Step 1: Write the proportion equation
353,416.41 : 530,229.11 = 203,764.05 : x - Step 2: Convert to fraction form
353,416.41/530,229.11 = 203,764.05/x - Step 3: Cross multiply
353,416.41x = 530,229.11 × 203,764.05 - Step 4: Simplify right side
353,416.41x = 108,041,629,862.68 - Step 5: Solve for x
x = 108,041,629,862.68/353,416.41 - Step 6: Final answer
x = 305,706.32
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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.