Finding the Fourth Proportional to 97,544.80, 146,229.60 and 38,420.80
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Solution
The fourth proportional to 97,544.80, 146,229.60 and 38,420.80 is: 57,596.70
Step by Step Solution
- Step 1: Write the proportion equation
97,544.80 : 146,229.60 = 38,420.80 : x - Step 2: Convert to fraction form
97,544.80/146,229.60 = 38,420.80/x - Step 3: Cross multiply
97,544.80x = 146,229.60 × 38,420.80 - Step 4: Simplify right side
97,544.80x = 5,618,258,215.68 - Step 5: Solve for x
x = 5,618,258,215.68/97,544.80 - Step 6: Final answer
x = 57,596.70
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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.