Finding the Fourth Proportional to 347,231.80, 520,847.70 and 97,913.80
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Solution
The fourth proportional to 347,231.80, 520,847.70 and 97,913.80 is: 146,870.70
Step by Step Solution
- Step 1: Write the proportion equation
347,231.80 : 520,847.70 = 97,913.80 : x - Step 2: Convert to fraction form
347,231.80/520,847.70 = 97,913.80/x - Step 3: Cross multiply
347,231.80x = 520,847.70 × 97,913.80 - Step 4: Simplify right side
347,231.80x = 50,998,177,528.26 - Step 5: Solve for x
x = 50,998,177,528.26/347,231.80 - Step 6: Final answer
x = 146,870.70
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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.