Finding the Fourth Proportional to 300,122.75, 450,017.93 and 122,754.31
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Solution
The fourth proportional to 300,122.75, 450,017.93 and 122,754.31 is: 184,063.49
Step by Step Solution
- Step 1: Write the proportion equation
300,122.75 : 450,017.93 = 122,754.31 : x - Step 2: Convert to fraction form
300,122.75/450,017.93 = 122,754.31/x - Step 3: Cross multiply
300,122.75x = 450,017.93 × 122,754.31 - Step 4: Simplify right side
300,122.75x = 55,241,640,484.78 - Step 5: Solve for x
x = 55,241,640,484.78/300,122.75 - Step 6: Final answer
x = 184,063.49
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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.