Finding the Fourth Proportional to 190,997.29, 263,581.95 and 110,417.68
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Solution
The fourth proportional to 190,997.29, 263,581.95 and 110,417.68 is: 152,379.69
Step by Step Solution
- Step 1: Write the proportion equation
190,997.29 : 263,581.95 = 110,417.68 : x - Step 2: Convert to fraction form
190,997.29/263,581.95 = 110,417.68/x - Step 3: Cross multiply
190,997.29x = 263,581.95 × 110,417.68 - Step 4: Simplify right side
190,997.29x = 29,104,107,531.32 - Step 5: Solve for x
x = 29,104,107,531.32/190,997.29 - Step 6: Final answer
x = 152,379.69
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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.