Finding the Fourth Proportional to 251,377.14, 346,891.59 and 138,199.02
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Solution
The fourth proportional to 251,377.14, 346,891.59 and 138,199.02 is: 190,709.77
Step by Step Solution
- Step 1: Write the proportion equation
251,377.14 : 346,891.59 = 138,199.02 : x - Step 2: Convert to fraction form
251,377.14/346,891.59 = 138,199.02/x - Step 3: Cross multiply
251,377.14x = 346,891.59 × 138,199.02 - Step 4: Simplify right side
251,377.14x = 47,940,077,784.24 - Step 5: Solve for x
x = 47,940,077,784.24/251,377.14 - Step 6: Final answer
x = 190,709.77
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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.