Finding the Fourth Proportional to 239,614.10, 330,773.74 and 154,772.54
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Solution
The fourth proportional to 239,614.10, 330,773.74 and 154,772.54 is: 213,654.76
Step by Step Solution
- Step 1: Write the proportion equation
239,614.10 : 330,773.74 = 154,772.54 : x - Step 2: Convert to fraction form
239,614.10/330,773.74 = 154,772.54/x - Step 3: Cross multiply
239,614.10x = 330,773.74 × 154,772.54 - Step 4: Simplify right side
239,614.10x = 51,194,691,905.10 - Step 5: Solve for x
x = 51,194,691,905.10/239,614.10 - Step 6: Final answer
x = 213,654.76
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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.