Finding the Fourth Proportional to 251,341.64, 346,842.68 and 138,163.58
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Solution
The fourth proportional to 251,341.64, 346,842.68 and 138,163.58 is: 190,660.92
Step by Step Solution
- Step 1: Write the proportion equation
251,341.64 : 346,842.68 = 138,163.58 : x - Step 2: Convert to fraction form
251,341.64/346,842.68 = 138,163.58/x - Step 3: Cross multiply
251,341.64x = 346,842.68 × 138,163.58 - Step 4: Simplify right side
251,341.64x = 47,921,027,578.11 - Step 5: Solve for x
x = 47,921,027,578.11/251,341.64 - Step 6: Final answer
x = 190,660.92
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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.