Finding the Fourth Proportional to 195,943.68, 268,641.09 and 192,400.74
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Solution
The fourth proportional to 195,943.68, 268,641.09 and 192,400.74 is: 263,783.68
Step by Step Solution
- Step 1: Write the proportion equation
195,943.68 : 268,641.09 = 192,400.74 : x - Step 2: Convert to fraction form
195,943.68/268,641.09 = 192,400.74/x - Step 3: Cross multiply
195,943.68x = 268,641.09 × 192,400.74 - Step 4: Simplify right side
195,943.68x = 51,686,744,510.41 - Step 5: Solve for x
x = 51,686,744,510.41/195,943.68 - Step 6: Final answer
x = 263,783.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.