Finding the Fourth Proportional to 300,136.38, 450,038.36 and 122,767.94
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Solution
The fourth proportional to 300,136.38, 450,038.36 and 122,767.94 is: 184,083.92
Step by Step Solution
- Step 1: Write the proportion equation
300,136.38 : 450,038.36 = 122,767.94 : x - Step 2: Convert to fraction form
300,136.38/450,038.36 = 122,767.94/x - Step 3: Cross multiply
300,136.38x = 450,038.36 × 122,767.94 - Step 4: Simplify right side
300,136.38x = 55,250,282,378.18 - Step 5: Solve for x
x = 55,250,282,378.18/300,136.38 - Step 6: Final answer
x = 184,083.92
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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.