Finding the Fourth Proportional to 339,868.63, 469,022.97 and 186,923.62
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Solution
The fourth proportional to 339,868.63, 469,022.97 and 186,923.62 is: 257,956.94
Step by Step Solution
- Step 1: Write the proportion equation
339,868.63 : 469,022.97 = 186,923.62 : x - Step 2: Convert to fraction form
339,868.63/469,022.97 = 186,923.62/x - Step 3: Cross multiply
339,868.63x = 469,022.97 × 186,923.62 - Step 4: Simplify right side
339,868.63x = 87,671,471,415.55 - Step 5: Solve for x
x = 87,671,471,415.55/339,868.63 - Step 6: Final answer
x = 257,956.94
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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.