Finding the Fourth Proportional to 190,929.15, 263,529.84 and 110,403.09
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Solution
The fourth proportional to 190,929.15, 263,529.84 and 110,403.09 is: 152,383.80
Step by Step Solution
- Step 1: Write the proportion equation
190,929.15 : 263,529.84 = 110,403.09 : x - Step 2: Convert to fraction form
190,929.15/263,529.84 = 110,403.09/x - Step 3: Cross multiply
190,929.15x = 263,529.84 × 110,403.09 - Step 4: Simplify right side
190,929.15x = 29,094,508,643.21 - Step 5: Solve for x
x = 29,094,508,643.21/190,929.15 - Step 6: Final answer
x = 152,383.80
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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.