Finding the Fourth Proportional to 121,525.60, 182,006.52 and 117,320.62
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Solution
The fourth proportional to 121,525.60, 182,006.52 and 117,320.62 is: 175,708.80
Step by Step Solution
- Step 1: Write the proportion equation
121,525.60 : 182,006.52 = 117,320.62 : x - Step 2: Convert to fraction form
121,525.60/182,006.52 = 117,320.62/x - Step 3: Cross multiply
121,525.60x = 182,006.52 × 117,320.62 - Step 4: Simplify right side
121,525.60x = 21,353,117,770.44 - Step 5: Solve for x
x = 21,353,117,770.44/121,525.60 - Step 6: Final answer
x = 175,708.80
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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.