Finding the Fourth Proportional to 409,888.20, 614,786.11 and 110,390.70
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Solution
The fourth proportional to 409,888.20, 614,786.11 and 110,390.70 is: 165,573.61
Step by Step Solution
- Step 1: Write the proportion equation
409,888.20 : 614,786.11 = 110,390.70 : x - Step 2: Convert to fraction form
409,888.20/614,786.11 = 110,390.70/x - Step 3: Cross multiply
409,888.20x = 614,786.11 × 110,390.70 - Step 4: Simplify right side
409,888.20x = 67,866,669,033.18 - Step 5: Solve for x
x = 67,866,669,033.18/409,888.20 - Step 6: Final answer
x = 165,573.61
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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.