Finding the Fourth Proportional to 195,407.63, 293,146.55 and 69,121.07
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Solution
The fourth proportional to 195,407.63, 293,146.55 and 69,121.07 is: 103,694.02
Step by Step Solution
- Step 1: Write the proportion equation
195,407.63 : 293,146.55 = 69,121.07 : x - Step 2: Convert to fraction form
195,407.63/293,146.55 = 69,121.07/x - Step 3: Cross multiply
195,407.63x = 293,146.55 × 69,121.07 - Step 4: Simplify right side
195,407.63x = 20,262,603,202.81 - Step 5: Solve for x
x = 20,262,603,202.81/195,407.63 - Step 6: Final answer
x = 103,694.02
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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.