Finding the Fourth Proportional to 110,842.56, 152,853.48 and 68,392.08
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Solution
The fourth proportional to 110,842.56, 152,853.48 and 68,392.08 is: 94,313.66
Step by Step Solution
- Step 1: Write the proportion equation
110,842.56 : 152,853.48 = 68,392.08 : x - Step 2: Convert to fraction form
110,842.56/152,853.48 = 68,392.08/x - Step 3: Cross multiply
110,842.56x = 152,853.48 × 68,392.08 - Step 4: Simplify right side
110,842.56x = 10,453,967,432.44 - Step 5: Solve for x
x = 10,453,967,432.44/110,842.56 - Step 6: Final answer
x = 94,313.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.