Finding the Fourth Proportional to 104,965.20, 157,407.12 and 34,825.68
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Solution
The fourth proportional to 104,965.20, 157,407.12 and 34,825.68 is: 52,225.02
Step by Step Solution
- Step 1: Write the proportion equation
104,965.20 : 157,407.12 = 34,825.68 : x - Step 2: Convert to fraction form
104,965.20/157,407.12 = 34,825.68/x - Step 3: Cross multiply
104,965.20x = 157,407.12 × 34,825.68 - Step 4: Simplify right side
104,965.20x = 5,481,809,990.84 - Step 5: Solve for x
x = 5,481,809,990.84/104,965.20 - Step 6: Final answer
x = 52,225.02
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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.