Finding the Fourth Proportional to 199,414.90, 299,122.35 and 133,059.70
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Solution
The fourth proportional to 199,414.90, 299,122.35 and 133,059.70 is: 199,589.55
Step by Step Solution
- Step 1: Write the proportion equation
199,414.90 : 299,122.35 = 133,059.70 : x - Step 2: Convert to fraction form
199,414.90/299,122.35 = 133,059.70/x - Step 3: Cross multiply
199,414.90x = 299,122.35 × 133,059.70 - Step 4: Simplify right side
199,414.90x = 39,801,130,154.30 - Step 5: Solve for x
x = 39,801,130,154.30/199,414.90 - Step 6: Final answer
x = 199,589.55
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1.5x scale
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.