Finding the Fourth Proportional to 146,387.26, 202,014.84 and 79,319.26
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Solution
The fourth proportional to 146,387.26, 202,014.84 and 79,319.26 is: 109,460.81
Step by Step Solution
- Step 1: Write the proportion equation
146,387.26 : 202,014.84 = 79,319.26 : x - Step 2: Convert to fraction form
146,387.26/202,014.84 = 79,319.26/x - Step 3: Cross multiply
146,387.26x = 202,014.84 × 79,319.26 - Step 4: Simplify right side
146,387.26x = 16,023,667,617.82 - Step 5: Solve for x
x = 16,023,667,617.82/146,387.26 - Step 6: Final answer
x = 109,460.81
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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.