Finding the Fourth Proportional to 159,313.98, 219,827.57 and 91,318.44
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Solution
The fourth proportional to 159,313.98, 219,827.57 and 91,318.44 is: 126,004.70
Step by Step Solution
- Step 1: Write the proportion equation
159,313.98 : 219,827.57 = 91,318.44 : x - Step 2: Convert to fraction form
159,313.98/219,827.57 = 91,318.44/x - Step 3: Cross multiply
159,313.98x = 219,827.57 × 91,318.44 - Step 4: Simplify right side
159,313.98x = 20,074,310,304.80 - Step 5: Solve for x
x = 20,074,310,304.80/159,313.98 - Step 6: Final answer
x = 126,004.70
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1.5x scale
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.