Finding the Fourth Proportional to 251,342.38, 346,850.76 and 136,618.17
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Solution
The fourth proportional to 251,342.38, 346,850.76 and 136,618.17 is: 188,532.14
Step by Step Solution
- Step 1: Write the proportion equation
251,342.38 : 346,850.76 = 136,618.17 : x - Step 2: Convert to fraction form
251,342.38/346,850.76 = 136,618.17/x - Step 3: Cross multiply
251,342.38x = 346,850.76 × 136,618.17 - Step 4: Simplify right side
251,342.38x = 47,386,116,094.31 - Step 5: Solve for x
x = 47,386,116,094.31/251,342.38 - Step 6: Final answer
x = 188,532.14
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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.