Finding the Fourth Proportional to 97,843.80, 146,765.70 and 45,355.80
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Solution
The fourth proportional to 97,843.80, 146,765.70 and 45,355.80 is: 68,033.70
Step by Step Solution
- Step 1: Write the proportion equation
97,843.80 : 146,765.70 = 45,355.80 : x - Step 2: Convert to fraction form
97,843.80/146,765.70 = 45,355.80/x - Step 3: Cross multiply
97,843.80x = 146,765.70 × 45,355.80 - Step 4: Simplify right side
97,843.80x = 6,656,675,736.06 - Step 5: Solve for x
x = 6,656,675,736.06/97,843.80 - Step 6: Final answer
x = 68,033.70
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1.5x scale
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.