Finding the Fourth Proportional to 347,253.20, 520,879.80 and 97,902.80
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Solution
The fourth proportional to 347,253.20, 520,879.80 and 97,902.80 is: 146,854.20
Step by Step Solution
- Step 1: Write the proportion equation
347,253.20 : 520,879.80 = 97,902.80 : x - Step 2: Convert to fraction form
347,253.20/520,879.80 = 97,902.80/x - Step 3: Cross multiply
347,253.20x = 520,879.80 × 97,902.80 - Step 4: Simplify right side
347,253.20x = 50,995,590,883.44 - Step 5: Solve for x
x = 50,995,590,883.44/347,253.20 - Step 6: Final answer
x = 146,854.20
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Similar ratio
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1.5x scale
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.