Finding the Fourth Proportional to 251,299.14, 346,795.10 and 136,578.07
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Solution
The fourth proportional to 251,299.14, 346,795.10 and 136,578.07 is: 188,478.98
Step by Step Solution
- Step 1: Write the proportion equation
251,299.14 : 346,795.10 = 136,578.07 : x - Step 2: Convert to fraction form
251,299.14/346,795.10 = 136,578.07/x - Step 3: Cross multiply
251,299.14x = 346,795.10 × 136,578.07 - Step 4: Simplify right side
251,299.14x = 47,364,605,443.46 - Step 5: Solve for x
x = 47,364,605,443.46/251,299.14 - Step 6: Final answer
x = 188,478.98
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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.