Finding the Fourth Proportional to 146,226.70, 201,793.49 and 79,158.70
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Solution
The fourth proportional to 146,226.70, 201,793.49 and 79,158.70 is: 109,239.35
Step by Step Solution
- Step 1: Write the proportion equation
146,226.70 : 201,793.49 = 79,158.70 : x - Step 2: Convert to fraction form
146,226.70/201,793.49 = 79,158.70/x - Step 3: Cross multiply
146,226.70x = 201,793.49 × 79,158.70 - Step 4: Simplify right side
146,226.70x = 15,973,710,336.86 - Step 5: Solve for x
x = 15,973,710,336.86/146,226.70 - Step 6: Final answer
x = 109,239.35
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1.5x scale
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.