Finding the Fourth Proportional to 239,351.08, 330,302.85 and 131,921.18
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Solution
The fourth proportional to 239,351.08, 330,302.85 and 131,921.18 is: 182,050.32
Step by Step Solution
- Step 1: Write the proportion equation
239,351.08 : 330,302.85 = 131,921.18 : x - Step 2: Convert to fraction form
239,351.08/330,302.85 = 131,921.18/x - Step 3: Cross multiply
239,351.08x = 330,302.85 × 131,921.18 - Step 4: Simplify right side
239,351.08x = 43,573,941,729.36 - Step 5: Solve for x
x = 43,573,941,729.36/239,351.08 - Step 6: Final answer
x = 182,050.32
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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.