Finding the Fourth Proportional to 75,456.64, 113,196.68 and 22,853.60
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Solution
The fourth proportional to 75,456.64, 113,196.68 and 22,853.60 is: 34,283.95
Step by Step Solution
- Step 1: Write the proportion equation
75,456.64 : 113,196.68 = 22,853.60 : x - Step 2: Convert to fraction form
75,456.64/113,196.68 = 22,853.60/x - Step 3: Cross multiply
75,456.64x = 113,196.68 × 22,853.60 - Step 4: Simplify right side
75,456.64x = 2,586,951,646.05 - Step 5: Solve for x
x = 2,586,951,646.05/75,456.64 - Step 6: Final answer
x = 34,283.95
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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.