Finding the Fourth Proportional to 274,753.54, 378,278.67 and 214,246.54
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Solution
The fourth proportional to 274,753.54, 378,278.67 and 214,246.54 is: 294,973.07
Step by Step Solution
- Step 1: Write the proportion equation
274,753.54 : 378,278.67 = 214,246.54 : x - Step 2: Convert to fraction form
274,753.54/378,278.67 = 214,246.54/x - Step 3: Cross multiply
274,753.54x = 378,278.67 × 214,246.54 - Step 4: Simplify right side
274,753.54x = 81,044,896,203.30 - Step 5: Solve for x
x = 81,044,896,203.30/274,753.54 - Step 6: Final answer
x = 294,973.07
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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.