Finding the Fourth Proportional to 157,896.24, 217,899.36 and 94,271.28
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Solution
The fourth proportional to 157,896.24, 217,899.36 and 94,271.28 is: 130,095.89
Step by Step Solution
- Step 1: Write the proportion equation
157,896.24 : 217,899.36 = 94,271.28 : x - Step 2: Convert to fraction form
157,896.24/217,899.36 = 94,271.28/x - Step 3: Cross multiply
157,896.24x = 217,899.36 × 94,271.28 - Step 4: Simplify right side
157,896.24x = 20,541,651,578.38 - Step 5: Solve for x
x = 20,541,651,578.38/157,896.24 - Step 6: Final answer
x = 130,095.89
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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.