Finding the Fourth Proportional to 274,551.85, 378,686.24 and 251,963.79
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Solution
The fourth proportional to 274,551.85, 378,686.24 and 251,963.79 is: 347,530.79
Step by Step Solution
- Step 1: Write the proportion equation
274,551.85 : 378,686.24 = 251,963.79 : x - Step 2: Convert to fraction form
274,551.85/378,686.24 = 251,963.79/x - Step 3: Cross multiply
274,551.85x = 378,686.24 × 251,963.79 - Step 4: Simplify right side
274,551.85x = 95,415,220,251.25 - Step 5: Solve for x
x = 95,415,220,251.25/274,551.85 - Step 6: Final answer
x = 347,530.79
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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.