Finding the Fourth Proportional to 149,668.20, 224,611.65 and 99,731.70
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Solution
The fourth proportional to 149,668.20, 224,611.65 and 99,731.70 is: 149,670.42
Step by Step Solution
- Step 1: Write the proportion equation
149,668.20 : 224,611.65 = 99,731.70 : x - Step 2: Convert to fraction form
149,668.20/224,611.65 = 99,731.70/x - Step 3: Cross multiply
149,668.20x = 224,611.65 × 99,731.70 - Step 4: Simplify right side
149,668.20x = 22,400,901,694.31 - Step 5: Solve for x
x = 22,400,901,694.31/149,668.20 - Step 6: Final answer
x = 149,670.42
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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.