Finding the Fourth Proportional to 354,554.16, 531,855.36 and 101,815.26
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Solution
The fourth proportional to 354,554.16, 531,855.36 and 101,815.26 is: 152,729.82
Step by Step Solution
- Step 1: Write the proportion equation
354,554.16 : 531,855.36 = 101,815.26 : x - Step 2: Convert to fraction form
354,554.16/531,855.36 = 101,815.26/x - Step 3: Cross multiply
354,554.16x = 531,855.36 × 101,815.26 - Step 4: Simplify right side
354,554.16x = 54,150,991,760.79 - Step 5: Solve for x
x = 54,150,991,760.79/354,554.16 - Step 6: Final answer
x = 152,729.82
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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.