Finding the Fourth Proportional to 274,267.48, 378,524.18 and 153,415.48
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Solution
The fourth proportional to 274,267.48, 378,524.18 and 153,415.48 is: 211,732.97
Step by Step Solution
- Step 1: Write the proportion equation
274,267.48 : 378,524.18 = 153,415.48 : x - Step 2: Convert to fraction form
274,267.48/378,524.18 = 153,415.48/x - Step 3: Cross multiply
274,267.48x = 378,524.18 × 153,415.48 - Step 4: Simplify right side
274,267.48x = 58,071,468,766.31 - Step 5: Solve for x
x = 58,071,468,766.31/274,267.48 - Step 6: Final answer
x = 211,732.97
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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.