Finding the Fourth Proportional to 195,406.63, 293,145.05 and 69,120.07
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Solution
The fourth proportional to 195,406.63, 293,145.05 and 69,120.07 is: 103,692.52
Step by Step Solution
- Step 1: Write the proportion equation
195,406.63 : 293,145.05 = 69,120.07 : x - Step 2: Convert to fraction form
195,406.63/293,145.05 = 69,120.07/x - Step 3: Cross multiply
195,406.63x = 293,145.05 × 69,120.07 - Step 4: Simplify right side
195,406.63x = 20,262,206,376.15 - Step 5: Solve for x
x = 20,262,206,376.15/195,406.63 - Step 6: Final answer
x = 103,692.52
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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.