Finding the Fourth Proportional to 195,764.94, 270,132.84 and 115,174.80
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Solution
The fourth proportional to 195,764.94, 270,132.84 and 115,174.80 is: 158,927.82
Step by Step Solution
- Step 1: Write the proportion equation
195,764.94 : 270,132.84 = 115,174.80 : x - Step 2: Convert to fraction form
195,764.94/270,132.84 = 115,174.80/x - Step 3: Cross multiply
195,764.94x = 270,132.84 × 115,174.80 - Step 4: Simplify right side
195,764.94x = 31,112,495,820.43 - Step 5: Solve for x
x = 31,112,495,820.43/195,764.94 - Step 6: Final answer
x = 158,927.82
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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.