Finding the Fourth Proportional to 347,245.80, 520,868.70 and 97,927.80
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Solution
The fourth proportional to 347,245.80, 520,868.70 and 97,927.80 is: 146,891.70
Step by Step Solution
- Step 1: Write the proportion equation
347,245.80 : 520,868.70 = 97,927.80 : x - Step 2: Convert to fraction form
347,245.80/520,868.70 = 97,927.80/x - Step 3: Cross multiply
347,245.80x = 520,868.70 × 97,927.80 - Step 4: Simplify right side
347,245.80x = 51,007,525,879.86 - Step 5: Solve for x
x = 51,007,525,879.86/347,245.80 - Step 6: Final answer
x = 146,891.70
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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.