Finding the Fourth Proportional to 515,689.12, 773,531.36 and 160,703.44
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Solution
The fourth proportional to 515,689.12, 773,531.36 and 160,703.44 is: 241,054.44
Step by Step Solution
- Step 1: Write the proportion equation
515,689.12 : 773,531.36 = 160,703.44 : x - Step 2: Convert to fraction form
515,689.12/773,531.36 = 160,703.44/x - Step 3: Cross multiply
515,689.12x = 773,531.36 × 160,703.44 - Step 4: Simplify right side
515,689.12x = 124,309,150,499.88 - Step 5: Solve for x
x = 124,309,150,499.88/515,689.12 - Step 6: Final answer
x = 241,054.44
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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.