Finding the Fourth Proportional to 131,808.84, 197,672.36 and 47,558.08
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Solution
The fourth proportional to 131,808.84, 197,672.36 and 47,558.08 is: 71,322.36
Step by Step Solution
- Step 1: Write the proportion equation
131,808.84 : 197,672.36 = 47,558.08 : x - Step 2: Convert to fraction form
131,808.84/197,672.36 = 47,558.08/x - Step 3: Cross multiply
131,808.84x = 197,672.36 × 47,558.08 - Step 4: Simplify right side
131,808.84x = 9,400,917,919.97 - Step 5: Solve for x
x = 9,400,917,919.97/131,808.84 - Step 6: Final answer
x = 71,322.36
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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.