Finding the Fourth Proportional to 331,126.99, 456,956.13 and 187,886.66
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Solution
The fourth proportional to 331,126.99, 456,956.13 and 187,886.66 is: 259,284.09
Step by Step Solution
- Step 1: Write the proportion equation
331,126.99 : 456,956.13 = 187,886.66 : x - Step 2: Convert to fraction form
331,126.99/456,956.13 = 187,886.66/x - Step 3: Cross multiply
331,126.99x = 456,956.13 × 187,886.66 - Step 4: Simplify right side
331,126.99x = 85,855,959,452.02 - Step 5: Solve for x
x = 85,855,959,452.02/331,126.99 - Step 6: Final answer
x = 259,284.09
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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.