Finding the Fourth Proportional to 512,269.29, 768,393.20 and 170,737.44
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Solution
The fourth proportional to 512,269.29, 768,393.20 and 170,737.44 is: 256,102.58
Step by Step Solution
- Step 1: Write the proportion equation
512,269.29 : 768,393.20 = 170,737.44 : x - Step 2: Convert to fraction form
512,269.29/768,393.20 = 170,737.44/x - Step 3: Cross multiply
512,269.29x = 768,393.20 × 170,737.44 - Step 4: Simplify right side
512,269.29x = 131,193,487,881.41 - Step 5: Solve for x
x = 131,193,487,881.41/512,269.29 - Step 6: Final answer
x = 256,102.58
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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.