Finding the Fourth Proportional to 245,310.80, 342,647.80 and 245,310.80
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Solution
The fourth proportional to 245,310.80, 342,647.80 and 245,310.80 is: 342,647.80
Step by Step Solution
- Step 1: Write the proportion equation
245,310.80 : 342,647.80 = 245,310.80 : x - Step 2: Convert to fraction form
245,310.80/342,647.80 = 245,310.80/x - Step 3: Cross multiply
245,310.80x = 342,647.80 × 245,310.80 - Step 4: Simplify right side
245,310.80x = 84,055,205,936.24 - Step 5: Solve for x
x = 84,055,205,936.24/245,310.80 - Step 6: Final answer
x = 342,647.80
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1.5x scale
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.