Finding the Fourth Proportional to 188,065.24, 259,525.34 and 105,278.08
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Solution
The fourth proportional to 188,065.24, 259,525.34 and 105,278.08 is: 145,281.12
Step by Step Solution
- Step 1: Write the proportion equation
188,065.24 : 259,525.34 = 105,278.08 : x - Step 2: Convert to fraction form
188,065.24/259,525.34 = 105,278.08/x - Step 3: Cross multiply
188,065.24x = 259,525.34 × 105,278.08 - Step 4: Simplify right side
188,065.24x = 27,322,329,506.55 - Step 5: Solve for x
x = 27,322,329,506.55/188,065.24 - Step 6: Final answer
x = 145,281.12
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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.