Finding the Fourth Proportional to 188,464.13, 260,069.50 and 103,581.26
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Solution
The fourth proportional to 188,464.13, 260,069.50 and 103,581.26 is: 142,936.09
Step by Step Solution
- Step 1: Write the proportion equation
188,464.13 : 260,069.50 = 103,581.26 : x - Step 2: Convert to fraction form
188,464.13/260,069.50 = 103,581.26/x - Step 3: Cross multiply
188,464.13x = 260,069.50 × 103,581.26 - Step 4: Simplify right side
188,464.13x = 26,938,326,497.57 - Step 5: Solve for x
x = 26,938,326,497.57/188,464.13 - Step 6: Final answer
x = 142,936.09
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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.