Finding the Fourth Proportional to 190,799.73, 286,101.18 and 100,890.99
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Solution
The fourth proportional to 190,799.73, 286,101.18 and 100,890.99 is: 151,284.45
Step by Step Solution
- Step 1: Write the proportion equation
190,799.73 : 286,101.18 = 100,890.99 : x - Step 2: Convert to fraction form
190,799.73/286,101.18 = 100,890.99/x - Step 3: Cross multiply
190,799.73x = 286,101.18 × 100,890.99 - Step 4: Simplify right side
190,799.73x = 28,865,031,290.37 - Step 5: Solve for x
x = 28,865,031,290.37/190,799.73 - Step 6: Final answer
x = 151,284.45
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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.