Finding the Fourth Proportional to 188,518.11, 260,159.97 and 102,482.88
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Solution
The fourth proportional to 188,518.11, 260,159.97 and 102,482.88 is: 141,429.08
Step by Step Solution
- Step 1: Write the proportion equation
188,518.11 : 260,159.97 = 102,482.88 : x - Step 2: Convert to fraction form
188,518.11/260,159.97 = 102,482.88/x - Step 3: Cross multiply
188,518.11x = 260,159.97 × 102,482.88 - Step 4: Simplify right side
188,518.11x = 26,661,942,986.31 - Step 5: Solve for x
x = 26,661,942,986.31/188,518.11 - Step 6: Final answer
x = 141,429.08
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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.