Finding the Fourth Proportional to 451,861.74, 677,319.69 and 152,238.81
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Solution
The fourth proportional to 451,861.74, 677,319.69 and 152,238.81 is: 228,198.88
Step by Step Solution
- Step 1: Write the proportion equation
451,861.74 : 677,319.69 = 152,238.81 : x - Step 2: Convert to fraction form
451,861.74/677,319.69 = 152,238.81/x - Step 3: Cross multiply
451,861.74x = 677,319.69 × 152,238.81 - Step 4: Simplify right side
451,861.74x = 103,114,343,595.17 - Step 5: Solve for x
x = 103,114,343,595.17/451,861.74 - Step 6: Final answer
x = 228,198.88
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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.