Finding the Fourth Proportional to 339,242.87, 508,506.09 and 259,106.32
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Solution
The fourth proportional to 339,242.87, 508,506.09 and 259,106.32 is: 388,385.88
Step by Step Solution
- Step 1: Write the proportion equation
339,242.87 : 508,506.09 = 259,106.32 : x - Step 2: Convert to fraction form
339,242.87/508,506.09 = 259,106.32/x - Step 3: Cross multiply
339,242.87x = 508,506.09 × 259,106.32 - Step 4: Simplify right side
339,242.87x = 131,757,139,134.96 - Step 5: Solve for x
x = 131,757,139,134.96/339,242.87 - Step 6: Final answer
x = 388,385.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.