Finding the Fourth Proportional to 307,101.75, 423,574.83 and 203,548.68
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Solution
The fourth proportional to 307,101.75, 423,574.83 and 203,548.68 is: 280,747.66
Step by Step Solution
- Step 1: Write the proportion equation
307,101.75 : 423,574.83 = 203,548.68 : x - Step 2: Convert to fraction form
307,101.75/423,574.83 = 203,548.68/x - Step 3: Cross multiply
307,101.75x = 423,574.83 × 203,548.68 - Step 4: Simplify right side
307,101.75x = 86,218,097,527.72 - Step 5: Solve for x
x = 86,218,097,527.72/307,101.75 - Step 6: Final answer
x = 280,747.66
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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.