Finding the Fourth Proportional to 251,312.22, 346,812.84 and 138,134.97
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Solution
The fourth proportional to 251,312.22, 346,812.84 and 138,134.97 is: 190,627.34
Step by Step Solution
- Step 1: Write the proportion equation
251,312.22 : 346,812.84 = 138,134.97 : x - Step 2: Convert to fraction form
251,312.22/346,812.84 = 138,134.97/x - Step 3: Cross multiply
251,312.22x = 346,812.84 × 138,134.97 - Step 4: Simplify right side
251,312.22x = 47,906,981,249.01 - Step 5: Solve for x
x = 47,906,981,249.01/251,312.22 - Step 6: Final answer
x = 190,627.34
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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.