Finding the Fourth Proportional to 341,635.20, 512,440.65 and 154,646.70
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Solution
The fourth proportional to 341,635.20, 512,440.65 and 154,646.70 is: 231,964.55
Step by Step Solution
- Step 1: Write the proportion equation
341,635.20 : 512,440.65 = 154,646.70 : x - Step 2: Convert to fraction form
341,635.20/512,440.65 = 154,646.70/x - Step 3: Cross multiply
341,635.20x = 512,440.65 × 154,646.70 - Step 4: Simplify right side
341,635.20x = 79,247,255,468.36 - Step 5: Solve for x
x = 79,247,255,468.36/341,635.20 - Step 6: Final answer
x = 231,964.55
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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.