Finding the Fourth Proportional to 251,356.36, 346,833.09 and 149,344.06
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Solution
The fourth proportional to 251,356.36, 346,833.09 and 149,344.06 is: 206,071.82
Step by Step Solution
- Step 1: Write the proportion equation
251,356.36 : 346,833.09 = 149,344.06 : x - Step 2: Convert to fraction form
251,356.36/346,833.09 = 149,344.06/x - Step 3: Cross multiply
251,356.36x = 346,833.09 × 149,344.06 - Step 4: Simplify right side
251,356.36x = 51,797,460,935.86 - Step 5: Solve for x
x = 51,797,460,935.86/251,356.36 - Step 6: Final answer
x = 206,071.82
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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.