Finding the Fourth Proportional to 190,113.80, 285,170.70 and 96,801.80
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Solution
The fourth proportional to 190,113.80, 285,170.70 and 96,801.80 is: 145,202.70
Step by Step Solution
- Step 1: Write the proportion equation
190,113.80 : 285,170.70 = 96,801.80 : x - Step 2: Convert to fraction form
190,113.80/285,170.70 = 96,801.80/x - Step 3: Cross multiply
190,113.80x = 285,170.70 × 96,801.80 - Step 4: Simplify right side
190,113.80x = 27,605,037,067.26 - Step 5: Solve for x
x = 27,605,037,067.26/190,113.80 - Step 6: Final answer
x = 145,202.70
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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.