Finding the Fourth Proportional to 508,432.80, 762,418.80 and 192,784.80
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Solution
The fourth proportional to 508,432.80, 762,418.80 and 192,784.80 is: 289,089.84
Step by Step Solution
- Step 1: Write the proportion equation
508,432.80 : 762,418.80 = 192,784.80 : x - Step 2: Convert to fraction form
508,432.80/762,418.80 = 192,784.80/x - Step 3: Cross multiply
508,432.80x = 762,418.80 × 192,784.80 - Step 4: Simplify right side
508,432.80x = 146,982,755,874.24 - Step 5: Solve for x
x = 146,982,755,874.24/508,432.80 - Step 6: Final answer
x = 289,089.84
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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.