Finding the Fourth Proportional to 146,358.96, 201,976.44 and 79,291.44
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Solution
The fourth proportional to 146,358.96, 201,976.44 and 79,291.44 is: 109,422.77
Step by Step Solution
- Step 1: Write the proportion equation
146,358.96 : 201,976.44 = 79,291.44 : x - Step 2: Convert to fraction form
146,358.96/201,976.44 = 79,291.44/x - Step 3: Cross multiply
146,358.96x = 201,976.44 × 79,291.44 - Step 4: Simplify right side
146,358.96x = 16,015,002,773.67 - Step 5: Solve for x
x = 16,015,002,773.67/146,358.96 - Step 6: Final answer
x = 109,422.77
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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.