Finding the Fourth Proportional to 121,372.68, 182,039.46 and 51,242.88
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Solution
The fourth proportional to 121,372.68, 182,039.46 and 51,242.88 is: 76,856.06
Step by Step Solution
- Step 1: Write the proportion equation
121,372.68 : 182,039.46 = 51,242.88 : x - Step 2: Convert to fraction form
121,372.68/182,039.46 = 51,242.88/x - Step 3: Cross multiply
121,372.68x = 182,039.46 × 51,242.88 - Step 4: Simplify right side
121,372.68x = 9,328,226,204.04 - Step 5: Solve for x
x = 9,328,226,204.04/121,372.68 - Step 6: Final answer
x = 76,856.06
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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.