Finding the Fourth Proportional to 515,382.22, 773,146.26 and 160,432.12
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Solution
The fourth proportional to 515,382.22, 773,146.26 and 160,432.12 is: 240,670.88
Step by Step Solution
- Step 1: Write the proportion equation
515,382.22 : 773,146.26 = 160,432.12 : x - Step 2: Convert to fraction form
515,382.22/773,146.26 = 160,432.12/x - Step 3: Cross multiply
515,382.22x = 773,146.26 × 160,432.12 - Step 4: Simplify right side
515,382.22x = 124,037,493,561.87 - Step 5: Solve for x
x = 124,037,493,561.87/515,382.22 - Step 6: Final answer
x = 240,670.88
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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.