Finding the Fourth Proportional to 84,292.62, 126,403.80 and 34,338.84
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Solution
The fourth proportional to 84,292.62, 126,403.80 and 34,338.84 is: 51,493.95
Step by Step Solution
- Step 1: Write the proportion equation
84,292.62 : 126,403.80 = 34,338.84 : x - Step 2: Convert to fraction form
84,292.62/126,403.80 = 34,338.84/x - Step 3: Cross multiply
84,292.62x = 126,403.80 × 34,338.84 - Step 4: Simplify right side
84,292.62x = 4,340,559,863.59 - Step 5: Solve for x
x = 4,340,559,863.59/84,292.62 - Step 6: Final answer
x = 51,493.95
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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.