Finding the Fourth Proportional to 83,918.38, 115,807.31 and 46,192.63
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Solution
The fourth proportional to 83,918.38, 115,807.31 and 46,192.63 is: 63,745.80
Step by Step Solution
- Step 1: Write the proportion equation
83,918.38 : 115,807.31 = 46,192.63 : x - Step 2: Convert to fraction form
83,918.38/115,807.31 = 46,192.63/x - Step 3: Cross multiply
83,918.38x = 115,807.31 × 46,192.63 - Step 4: Simplify right side
83,918.38x = 5,349,444,222.13 - Step 5: Solve for x
x = 5,349,444,222.13/83,918.38 - Step 6: Final answer
x = 63,745.80
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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.