Finding the Fourth Proportional to 301,163.72, 415,681.57 and 204,531.13
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Solution
The fourth proportional to 301,163.72, 415,681.57 and 204,531.13 is: 282,304.32
Step by Step Solution
- Step 1: Write the proportion equation
301,163.72 : 415,681.57 = 204,531.13 : x - Step 2: Convert to fraction form
301,163.72/415,681.57 = 204,531.13/x - Step 3: Cross multiply
301,163.72x = 415,681.57 × 204,531.13 - Step 4: Simplify right side
301,163.72x = 85,019,819,669.33 - Step 5: Solve for x
x = 85,019,819,669.33/301,163.72 - Step 6: Final answer
x = 282,304.32
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1.5x scale
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.