Finding the Fourth Proportional to 250,754.36, 346,034.99 and 138,863.90
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Solution
The fourth proportional to 250,754.36, 346,034.99 and 138,863.90 is: 191,628.85
Step by Step Solution
- Step 1: Write the proportion equation
250,754.36 : 346,034.99 = 138,863.90 : x - Step 2: Convert to fraction form
250,754.36/346,034.99 = 138,863.90/x - Step 3: Cross multiply
250,754.36x = 346,034.99 × 138,863.90 - Step 4: Simplify right side
250,754.36x = 48,051,769,460.11 - Step 5: Solve for x
x = 48,051,769,460.11/250,754.36 - Step 6: Final answer
x = 191,628.85
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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.