Finding the Fourth Proportional to 251,137.53, 346,568.14 and 136,415.13
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Solution
The fourth proportional to 251,137.53, 346,568.14 and 136,415.13 is: 188,251.98
Step by Step Solution
- Step 1: Write the proportion equation
251,137.53 : 346,568.14 = 136,415.13 : x - Step 2: Convert to fraction form
251,137.53/346,568.14 = 136,415.13/x - Step 3: Cross multiply
251,137.53x = 346,568.14 × 136,415.13 - Step 4: Simplify right side
251,137.53x = 47,277,137,871.96 - Step 5: Solve for x
x = 47,277,137,871.96/251,137.53 - Step 6: Final answer
x = 188,251.98
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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.