Finding the Fourth Proportional to 121,847.70, 182,619.33 and 58,656.08
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Solution
The fourth proportional to 121,847.70, 182,619.33 and 58,656.08 is: 87,910.84
Step by Step Solution
- Step 1: Write the proportion equation
121,847.70 : 182,619.33 = 58,656.08 : x - Step 2: Convert to fraction form
121,847.70/182,619.33 = 58,656.08/x - Step 3: Cross multiply
121,847.70x = 182,619.33 × 58,656.08 - Step 4: Simplify right side
121,847.70x = 10,711,733,116.93 - Step 5: Solve for x
x = 10,711,733,116.93/121,847.70 - Step 6: Final answer
x = 87,910.84
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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.