Finding the Fourth Proportional to 251,479.44, 347,034.69 and 138,302.28
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Solution
The fourth proportional to 251,479.44, 347,034.69 and 138,302.28 is: 190,853.33
Step by Step Solution
- Step 1: Write the proportion equation
251,479.44 : 347,034.69 = 138,302.28 : x - Step 2: Convert to fraction form
251,479.44/347,034.69 = 138,302.28/x - Step 3: Cross multiply
251,479.44x = 347,034.69 × 138,302.28 - Step 4: Simplify right side
251,479.44x = 47,995,688,866.09 - Step 5: Solve for x
x = 47,995,688,866.09/251,479.44 - Step 6: Final answer
x = 190,853.33
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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.