Finding the Fourth Proportional to 159,471.41, 239,207.45 and 149,728.32
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Solution
The fourth proportional to 159,471.41, 239,207.45 and 149,728.32 is: 224,592.80
Step by Step Solution
- Step 1: Write the proportion equation
159,471.41 : 239,207.45 = 149,728.32 : x - Step 2: Convert to fraction form
159,471.41/239,207.45 = 149,728.32/x - Step 3: Cross multiply
159,471.41x = 239,207.45 × 149,728.32 - Step 4: Simplify right side
159,471.41x = 35,816,128,871.34 - Step 5: Solve for x
x = 35,816,128,871.34/159,471.41 - Step 6: Final answer
x = 224,592.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.