Finding the Fourth Proportional to 239,393.24, 330,347.66 and 131,964.20
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Solution
The fourth proportional to 239,393.24, 330,347.66 and 131,964.20 is: 182,102.32
Step by Step Solution
- Step 1: Write the proportion equation
239,393.24 : 330,347.66 = 131,964.20 : x - Step 2: Convert to fraction form
239,393.24/330,347.66 = 131,964.20/x - Step 3: Cross multiply
239,393.24x = 330,347.66 × 131,964.20 - Step 4: Simplify right side
239,393.24x = 43,594,064,673.77 - Step 5: Solve for x
x = 43,594,064,673.77/239,393.24 - Step 6: Final answer
x = 182,102.32
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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.