Finding the Fourth Proportional to 132,853.48, 199,327.74 and 56,920.12
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Solution
The fourth proportional to 132,853.48, 199,327.74 and 56,920.12 is: 85,400.54
Step by Step Solution
- Step 1: Write the proportion equation
132,853.48 : 199,327.74 = 56,920.12 : x - Step 2: Convert to fraction form
132,853.48/199,327.74 = 56,920.12/x - Step 3: Cross multiply
132,853.48x = 199,327.74 × 56,920.12 - Step 4: Simplify right side
132,853.48x = 11,345,758,880.13 - Step 5: Solve for x
x = 11,345,758,880.13/132,853.48 - Step 6: Final answer
x = 85,400.54
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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.