Finding the Fourth Proportional to 195,715.01, 293,074.06 and 128,952.79
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Solution
The fourth proportional to 195,715.01, 293,074.06 and 128,952.79 is: 193,100.76
Step by Step Solution
- Step 1: Write the proportion equation
195,715.01 : 293,074.06 = 128,952.79 : x - Step 2: Convert to fraction form
195,715.01/293,074.06 = 128,952.79/x - Step 3: Cross multiply
195,715.01x = 293,074.06 × 128,952.79 - Step 4: Simplify right side
195,715.01x = 37,792,717,713.63 - Step 5: Solve for x
x = 37,792,717,713.63/195,715.01 - Step 6: Final answer
x = 193,100.76
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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.