Finding the Fourth Proportional to 512,535.70, 768,876.92 and 157,579.52
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Solution
The fourth proportional to 512,535.70, 768,876.92 and 157,579.52 is: 236,391.84
Step by Step Solution
- Step 1: Write the proportion equation
512,535.70 : 768,876.92 = 157,579.52 : x - Step 2: Convert to fraction form
512,535.70/768,876.92 = 157,579.52/x - Step 3: Cross multiply
512,535.70x = 768,876.92 × 157,579.52 - Step 4: Simplify right side
512,535.70x = 121,159,255,204.78 - Step 5: Solve for x
x = 121,159,255,204.78/512,535.70 - Step 6: Final answer
x = 236,391.84
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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.