Finding the Fourth Proportional to 195,868.52, 293,802.87 and 129,293.09
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Solution
The fourth proportional to 195,868.52, 293,802.87 and 129,293.09 is: 193,939.70
Step by Step Solution
- Step 1: Write the proportion equation
195,868.52 : 293,802.87 = 129,293.09 : x - Step 2: Convert to fraction form
195,868.52/293,802.87 = 129,293.09/x - Step 3: Cross multiply
195,868.52x = 293,802.87 × 129,293.09 - Step 4: Simplify right side
195,868.52x = 37,986,681,030.76 - Step 5: Solve for x
x = 37,986,681,030.76/195,868.52 - Step 6: Final answer
x = 193,939.70
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1.5x scale
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.