Finding the Fourth Proportional to 341,309.57, 471,006.77 and 188,347.68
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Solution
The fourth proportional to 341,309.57, 471,006.77 and 188,347.68 is: 259,919.56
Step by Step Solution
- Step 1: Write the proportion equation
341,309.57 : 471,006.77 = 188,347.68 : x - Step 2: Convert to fraction form
341,309.57/471,006.77 = 188,347.68/x - Step 3: Cross multiply
341,309.57x = 471,006.77 × 188,347.68 - Step 4: Simplify right side
341,309.57x = 88,713,031,452.06 - Step 5: Solve for x
x = 88,713,031,452.06/341,309.57 - Step 6: Final answer
x = 259,919.56
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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.