Finding the Fourth Proportional to 232,515.32, 349,018.74 and 107,976.44
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Solution
The fourth proportional to 232,515.32, 349,018.74 and 107,976.44 is: 162,078.79
Step by Step Solution
- Step 1: Write the proportion equation
232,515.32 : 349,018.74 = 107,976.44 : x - Step 2: Convert to fraction form
232,515.32/349,018.74 = 107,976.44/x - Step 3: Cross multiply
232,515.32x = 349,018.74 × 107,976.44 - Step 4: Simplify right side
232,515.32x = 37,685,801,038.49 - Step 5: Solve for x
x = 37,685,801,038.49/232,515.32 - Step 6: Final answer
x = 162,078.79
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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.