Finding the Fourth Proportional to 245,027.70, 343,388.70 and 245,027.70
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Solution
The fourth proportional to 245,027.70, 343,388.70 and 245,027.70 is: 343,388.70
Step by Step Solution
- Step 1: Write the proportion equation
245,027.70 : 343,388.70 = 245,027.70 : x - Step 2: Convert to fraction form
245,027.70/343,388.70 = 245,027.70/x - Step 3: Cross multiply
245,027.70x = 343,388.70 × 245,027.70 - Step 4: Simplify right side
245,027.70x = 84,139,743,366.99 - Step 5: Solve for x
x = 84,139,743,366.99/245,027.70 - Step 6: Final answer
x = 343,388.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.