Finding the Fourth Proportional to 121,405.68, 182,135.58 and 37,177.68
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Solution
The fourth proportional to 121,405.68, 182,135.58 and 37,177.68 is: 55,774.81
Step by Step Solution
- Step 1: Write the proportion equation
121,405.68 : 182,135.58 = 37,177.68 : x - Step 2: Convert to fraction form
121,405.68/182,135.58 = 37,177.68/x - Step 3: Cross multiply
121,405.68x = 182,135.58 × 37,177.68 - Step 4: Simplify right side
121,405.68x = 6,771,378,309.85 - Step 5: Solve for x
x = 6,771,378,309.85/121,405.68 - Step 6: Final answer
x = 55,774.81
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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.