Finding the Fourth Proportional to 171,887.39, 257,567.36 and 71,992.92
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Solution
The fourth proportional to 171,887.39, 257,567.36 and 71,992.92 is: 107,878.92
Step by Step Solution
- Step 1: Write the proportion equation
171,887.39 : 257,567.36 = 71,992.92 : x - Step 2: Convert to fraction form
171,887.39/257,567.36 = 71,992.92/x - Step 3: Cross multiply
171,887.39x = 257,567.36 × 71,992.92 - Step 4: Simplify right side
171,887.39x = 18,543,025,983.13 - Step 5: Solve for x
x = 18,543,025,983.13/171,887.39 - Step 6: Final answer
x = 107,878.92
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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.