Finding the Fourth Proportional to 245,416.80, 343,816.80 and 245,416.80
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Solution
The fourth proportional to 245,416.80, 343,816.80 and 245,416.80 is: 343,816.80
Step by Step Solution
- Step 1: Write the proportion equation
245,416.80 : 343,816.80 = 245,416.80 : x - Step 2: Convert to fraction form
245,416.80/343,816.80 = 245,416.80/x - Step 3: Cross multiply
245,416.80x = 343,816.80 × 245,416.80 - Step 4: Simplify right side
245,416.80x = 84,378,418,842.24 - Step 5: Solve for x
x = 84,378,418,842.24/245,416.80 - Step 6: Final answer
x = 343,816.80
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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.