Finding the Fourth Proportional to 302,474.13, 417,414.29 and 168,369.81
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Solution
The fourth proportional to 302,474.13, 417,414.29 and 168,369.81 is: 232,350.33
Step by Step Solution
- Step 1: Write the proportion equation
302,474.13 : 417,414.29 = 168,369.81 : x - Step 2: Convert to fraction form
302,474.13/417,414.29 = 168,369.81/x - Step 3: Cross multiply
302,474.13x = 417,414.29 × 168,369.81 - Step 4: Simplify right side
302,474.13x = 70,279,964,698.58 - Step 5: Solve for x
x = 70,279,964,698.58/302,474.13 - Step 6: Final answer
x = 232,350.33
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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.