Finding the Fourth Proportional to 239,390.98, 330,353.24 and 131,961.42
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Solution
The fourth proportional to 239,390.98, 330,353.24 and 131,961.42 is: 182,103.28
Step by Step Solution
- Step 1: Write the proportion equation
239,390.98 : 330,353.24 = 131,961.42 : x - Step 2: Convert to fraction form
239,390.98/330,353.24 = 131,961.42/x - Step 3: Cross multiply
239,390.98x = 330,353.24 × 131,961.42 - Step 4: Simplify right side
239,390.98x = 43,593,881,992.19 - Step 5: Solve for x
x = 43,593,881,992.19/239,390.98 - Step 6: Final answer
x = 182,103.28
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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.