Finding the Fourth Proportional to 115,554.74, 173,422.49 and 59,392.58
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Solution
The fourth proportional to 115,554.74, 173,422.49 and 59,392.58 is: 89,135.32
Step by Step Solution
- Step 1: Write the proportion equation
115,554.74 : 173,422.49 = 59,392.58 : x - Step 2: Convert to fraction form
115,554.74/173,422.49 = 59,392.58/x - Step 3: Cross multiply
115,554.74x = 173,422.49 × 59,392.58 - Step 4: Simplify right side
115,554.74x = 10,300,007,947.05 - Step 5: Solve for x
x = 10,300,007,947.05/115,554.74 - Step 6: Final answer
x = 89,135.32
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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.