Finding the Fourth Proportional to 208,567.26, 287,669.95 and 136,921.14
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Solution
The fourth proportional to 208,567.26, 287,669.95 and 136,921.14 is: 188,850.82
Step by Step Solution
- Step 1: Write the proportion equation
208,567.26 : 287,669.95 = 136,921.14 : x - Step 2: Convert to fraction form
208,567.26/287,669.95 = 136,921.14/x - Step 3: Cross multiply
208,567.26x = 287,669.95 × 136,921.14 - Step 4: Simplify right side
208,567.26x = 39,388,097,155.44 - Step 5: Solve for x
x = 39,388,097,155.44/208,567.26 - Step 6: Final answer
x = 188,850.82
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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.