Finding the Fourth Proportional to 267,136.36, 400,709.74 and 124,903.06
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Solution
The fourth proportional to 267,136.36, 400,709.74 and 124,903.06 is: 187,357.02
Step by Step Solution
- Step 1: Write the proportion equation
267,136.36 : 400,709.74 = 124,903.06 : x - Step 2: Convert to fraction form
267,136.36/400,709.74 = 124,903.06/x - Step 3: Cross multiply
267,136.36x = 400,709.74 × 124,903.06 - Step 4: Simplify right side
267,136.36x = 50,049,872,697.80 - Step 5: Solve for x
x = 50,049,872,697.80/267,136.36 - Step 6: Final answer
x = 187,357.02
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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.