Finding the Fourth Proportional to 247,149.40, 370,205.70 and 136,211.80
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Solution
The fourth proportional to 247,149.40, 370,205.70 and 136,211.80 is: 204,031.99
Step by Step Solution
- Step 1: Write the proportion equation
247,149.40 : 370,205.70 = 136,211.80 : x - Step 2: Convert to fraction form
247,149.40/370,205.70 = 136,211.80/x - Step 3: Cross multiply
247,149.40x = 370,205.70 × 136,211.80 - Step 4: Simplify right side
247,149.40x = 50,426,384,767.26 - Step 5: Solve for x
x = 50,426,384,767.26/247,149.40 - Step 6: Final answer
x = 204,031.99
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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.