Finding the Fourth Proportional to 266,571.36, 367,878.36 and 145,720.84
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Solution
The fourth proportional to 266,571.36, 367,878.36 and 145,720.84 is: 201,100.16
Step by Step Solution
- Step 1: Write the proportion equation
266,571.36 : 367,878.36 = 145,720.84 : x - Step 2: Convert to fraction form
266,571.36/367,878.36 = 145,720.84/x - Step 3: Cross multiply
266,571.36x = 367,878.36 × 145,720.84 - Step 4: Simplify right side
266,571.36x = 53,607,543,637.02 - Step 5: Solve for x
x = 53,607,543,637.02/266,571.36 - Step 6: Final answer
x = 201,100.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.