Finding the Fourth Proportional to 274,119.84, 378,287.69 and 151,610.18
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Solution
The fourth proportional to 274,119.84, 378,287.69 and 151,610.18 is: 209,223.32
Step by Step Solution
- Step 1: Write the proportion equation
274,119.84 : 378,287.69 = 151,610.18 : x - Step 2: Convert to fraction form
274,119.84/378,287.69 = 151,610.18/x - Step 3: Cross multiply
274,119.84x = 378,287.69 × 151,610.18 - Step 4: Simplify right side
274,119.84x = 57,352,262,123.19 - Step 5: Solve for x
x = 57,352,262,123.19/274,119.84 - Step 6: Final answer
x = 209,223.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.