Finding the Fourth Proportional to 239,152.68, 330,045.69 and 131,722.68
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Solution
The fourth proportional to 239,152.68, 330,045.69 and 131,722.68 is: 181,785.56
Step by Step Solution
- Step 1: Write the proportion equation
239,152.68 : 330,045.69 = 131,722.68 : x - Step 2: Convert to fraction form
239,152.68/330,045.69 = 131,722.68/x - Step 3: Cross multiply
239,152.68x = 330,045.69 × 131,722.68 - Step 4: Simplify right side
239,152.68x = 43,474,502,809.25 - Step 5: Solve for x
x = 43,474,502,809.25/239,152.68 - Step 6: Final answer
x = 181,785.56
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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.