Finding the Fourth Proportional to 512,203.41, 768,306.93 and 157,217.46
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Solution
The fourth proportional to 512,203.41, 768,306.93 and 157,217.46 is: 235,826.75
Step by Step Solution
- Step 1: Write the proportion equation
512,203.41 : 768,306.93 = 157,217.46 : x - Step 2: Convert to fraction form
512,203.41/768,306.93 = 157,217.46/x - Step 3: Cross multiply
512,203.41x = 768,306.93 × 157,217.46 - Step 4: Simplify right side
512,203.41x = 120,791,264,035.00 - Step 5: Solve for x
x = 120,791,264,035.00/512,203.41 - Step 6: Final answer
x = 235,826.75
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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.