Finding the Fourth Proportional to 252,742.18, 378,926.01 and 119,466.71
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Solution
The fourth proportional to 252,742.18, 378,926.01 and 119,466.71 is: 179,111.55
Step by Step Solution
- Step 1: Write the proportion equation
252,742.18 : 378,926.01 = 119,466.71 : x - Step 2: Convert to fraction form
252,742.18/378,926.01 = 119,466.71/x - Step 3: Cross multiply
252,742.18x = 378,926.01 × 119,466.71 - Step 4: Simplify right side
252,742.18x = 45,269,043,748.13 - Step 5: Solve for x
x = 45,269,043,748.13/252,742.18 - Step 6: Final answer
x = 179,111.55
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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.