Finding the Fourth Proportional to 195,740.16, 293,400.34 and 128,246.70
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Solution
The fourth proportional to 195,740.16, 293,400.34 and 128,246.70 is: 192,232.53
Step by Step Solution
- Step 1: Write the proportion equation
195,740.16 : 293,400.34 = 128,246.70 : x - Step 2: Convert to fraction form
195,740.16/293,400.34 = 128,246.70/x - Step 3: Cross multiply
195,740.16x = 293,400.34 × 128,246.70 - Step 4: Simplify right side
195,740.16x = 37,627,626,163.51 - Step 5: Solve for x
x = 37,627,626,163.51/195,740.16 - Step 6: Final answer
x = 192,232.53
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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.