Finding the Fourth Proportional to 77,205.98, 115,842.26 and 29,854.41
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Solution
The fourth proportional to 77,205.98, 115,842.26 and 29,854.41 is: 44,794.49
Step by Step Solution
- Step 1: Write the proportion equation
77,205.98 : 115,842.26 = 29,854.41 : x - Step 2: Convert to fraction form
77,205.98/115,842.26 = 29,854.41/x - Step 3: Cross multiply
77,205.98x = 115,842.26 × 29,854.41 - Step 4: Simplify right side
77,205.98x = 3,458,402,797.09 - Step 5: Solve for x
x = 3,458,402,797.09/77,205.98 - Step 6: Final answer
x = 44,794.49
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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.