Finding the Fourth Proportional to 97,305.21, 134,281.22 and 54,863.75
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Solution
The fourth proportional to 97,305.21, 134,281.22 and 54,863.75 is: 75,711.98
Step by Step Solution
- Step 1: Write the proportion equation
97,305.21 : 134,281.22 = 54,863.75 : x - Step 2: Convert to fraction form
97,305.21/134,281.22 = 54,863.75/x - Step 3: Cross multiply
97,305.21x = 134,281.22 × 54,863.75 - Step 4: Simplify right side
97,305.21x = 7,367,170,338.05 - Step 5: Solve for x
x = 7,367,170,338.05/97,305.21 - Step 6: Final answer
x = 75,711.98
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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.