Finding the Fourth Proportional to 397,534.91, 548,612.80 and 227,801.84
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Solution
The fourth proportional to 397,534.91, 548,612.80 and 227,801.84 is: 314,374.92
Step by Step Solution
- Step 1: Write the proportion equation
397,534.91 : 548,612.80 = 227,801.84 : x - Step 2: Convert to fraction form
397,534.91/548,612.80 = 227,801.84/x - Step 3: Cross multiply
397,534.91x = 548,612.80 × 227,801.84 - Step 4: Simplify right side
397,534.91x = 124,975,001,974.98 - Step 5: Solve for x
x = 124,975,001,974.98/397,534.91 - Step 6: Final answer
x = 314,374.92
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1.5x scale
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.