Finding the Fourth Proportional to 331,507.08, 457,482.92 and 188,268.12
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Solution
The fourth proportional to 331,507.08, 457,482.92 and 188,268.12 is: 259,811.79
Step by Step Solution
- Step 1: Write the proportion equation
331,507.08 : 457,482.92 = 188,268.12 : x - Step 2: Convert to fraction form
331,507.08/457,482.92 = 188,268.12/x - Step 3: Cross multiply
331,507.08x = 457,482.92 × 188,268.12 - Step 4: Simplify right side
331,507.08x = 86,129,448,339.17 - Step 5: Solve for x
x = 86,129,448,339.17/331,507.08 - Step 6: Final answer
x = 259,811.79
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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.