Finding the Fourth Proportional to 231,158.12, 346,738.62 and 71,232.08
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Solution
The fourth proportional to 231,158.12, 346,738.62 and 71,232.08 is: 106,848.56
Step by Step Solution
- Step 1: Write the proportion equation
231,158.12 : 346,738.62 = 71,232.08 : x - Step 2: Convert to fraction form
231,158.12/346,738.62 = 71,232.08/x - Step 3: Cross multiply
231,158.12x = 346,738.62 × 71,232.08 - Step 4: Simplify right side
231,158.12x = 24,698,913,118.93 - Step 5: Solve for x
x = 24,698,913,118.93/231,158.12 - Step 6: Final answer
x = 106,848.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.