Finding the Fourth Proportional to 239,213.04, 330,139.92 and 131,794.08
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Solution
The fourth proportional to 239,213.04, 330,139.92 and 131,794.08 is: 181,890.11
Step by Step Solution
- Step 1: Write the proportion equation
239,213.04 : 330,139.92 = 131,794.08 : x - Step 2: Convert to fraction form
239,213.04/330,139.92 = 131,794.08/x - Step 3: Cross multiply
239,213.04x = 330,139.92 × 131,794.08 - Step 4: Simplify right side
239,213.04x = 43,510,487,027.67 - Step 5: Solve for x
x = 43,510,487,027.67/239,213.04 - Step 6: Final answer
x = 181,890.11
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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.