Finding the Fourth Proportional to 190,789.08, 286,226.82 and 101,995.80
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Solution
The fourth proportional to 190,789.08, 286,226.82 and 101,995.80 is: 153,016.79
Step by Step Solution
- Step 1: Write the proportion equation
190,789.08 : 286,226.82 = 101,995.80 : x - Step 2: Convert to fraction form
190,789.08/286,226.82 = 101,995.80/x - Step 3: Cross multiply
190,789.08x = 286,226.82 × 101,995.80 - Step 4: Simplify right side
190,789.08x = 29,193,933,487.36 - Step 5: Solve for x
x = 29,193,933,487.36/190,789.08 - Step 6: Final answer
x = 153,016.79
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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.