Finding the Fourth Proportional to 239,298.17, 330,233.69 and 131,872.05
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Solution
The fourth proportional to 239,298.17, 330,233.69 and 131,872.05 is: 181,984.65
Step by Step Solution
- Step 1: Write the proportion equation
239,298.17 : 330,233.69 = 131,872.05 : x - Step 2: Convert to fraction form
239,298.17/330,233.69 = 131,872.05/x - Step 3: Cross multiply
239,298.17x = 330,233.69 × 131,872.05 - Step 4: Simplify right side
239,298.17x = 43,548,593,679.36 - Step 5: Solve for x
x = 43,548,593,679.36/239,298.17 - Step 6: Final answer
x = 181,984.65
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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.