Finding the Fourth Proportional to 414,394.56, 571,859.28 and 233,107.76
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Solution
The fourth proportional to 414,394.56, 571,859.28 and 233,107.76 is: 321,685.77
Step by Step Solution
- Step 1: Write the proportion equation
414,394.56 : 571,859.28 = 233,107.76 : x - Step 2: Convert to fraction form
414,394.56/571,859.28 = 233,107.76/x - Step 3: Cross multiply
414,394.56x = 571,859.28 × 233,107.76 - Step 4: Simplify right side
414,394.56x = 133,304,832,936.72 - Step 5: Solve for x
x = 133,304,832,936.72/414,394.56 - Step 6: Final answer
x = 321,685.77
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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.