Finding the Fourth Proportional to 341,484.76, 512,251.90 and 131,122.70
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Solution
The fourth proportional to 341,484.76, 512,251.90 and 131,122.70 is: 196,693.55
Step by Step Solution
- Step 1: Write the proportion equation
341,484.76 : 512,251.90 = 131,122.70 : x - Step 2: Convert to fraction form
341,484.76/512,251.90 = 131,122.70/x - Step 3: Cross multiply
341,484.76x = 512,251.90 × 131,122.70 - Step 4: Simplify right side
341,484.76x = 67,167,851,240.01 - Step 5: Solve for x
x = 67,167,851,240.01/341,484.76 - Step 6: Final answer
x = 196,693.55
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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.