Finding the Fourth Proportional to 330,349.70, 495,524.55 and 272,029.70
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Solution
The fourth proportional to 330,349.70, 495,524.55 and 272,029.70 is: 408,044.55
Step by Step Solution
- Step 1: Write the proportion equation
330,349.70 : 495,524.55 = 272,029.70 : x - Step 2: Convert to fraction form
330,349.70/495,524.55 = 272,029.70/x - Step 3: Cross multiply
330,349.70x = 495,524.55 × 272,029.70 - Step 4: Simplify right side
330,349.70x = 134,797,394,679.14 - Step 5: Solve for x
x = 134,797,394,679.14/330,349.70 - Step 6: Final answer
x = 408,044.55
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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.