Finding the Fourth Proportional to 191,054.74, 286,208.42 and 157,369.12
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Solution
The fourth proportional to 191,054.74, 286,208.42 and 157,369.12 is: 235,745.88
Step by Step Solution
- Step 1: Write the proportion equation
191,054.74 : 286,208.42 = 157,369.12 : x - Step 2: Convert to fraction form
191,054.74/286,208.42 = 157,369.12/x - Step 3: Cross multiply
191,054.74x = 286,208.42 × 157,369.12 - Step 4: Simplify right side
191,054.74x = 45,040,367,191.99 - Step 5: Solve for x
x = 45,040,367,191.99/191,054.74 - Step 6: Final answer
x = 235,745.88
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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.