Finding the Fourth Proportional to 195,877.36, 270,366.80 and 115,351.59
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Solution
The fourth proportional to 195,877.36, 270,366.80 and 115,351.59 is: 159,218.20
Step by Step Solution
- Step 1: Write the proportion equation
195,877.36 : 270,366.80 = 115,351.59 : x - Step 2: Convert to fraction form
195,877.36/270,366.80 = 115,351.59/x - Step 3: Cross multiply
195,877.36x = 270,366.80 × 115,351.59 - Step 4: Simplify right side
195,877.36x = 31,187,240,263.21 - Step 5: Solve for x
x = 31,187,240,263.21/195,877.36 - Step 6: Final answer
x = 159,218.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.