Finding the Fourth Proportional to 188,575.09, 260,238.09 and 103,692.09
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Solution
The fourth proportional to 188,575.09, 260,238.09 and 103,692.09 is: 143,097.54
Step by Step Solution
- Step 1: Write the proportion equation
188,575.09 : 260,238.09 = 103,692.09 : x - Step 2: Convert to fraction form
188,575.09/260,238.09 = 103,692.09/x - Step 3: Cross multiply
188,575.09x = 260,238.09 × 103,692.09 - Step 4: Simplify right side
188,575.09x = 26,984,631,449.71 - Step 5: Solve for x
x = 26,984,631,449.71/188,575.09 - Step 6: Final answer
x = 143,097.54
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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.