Finding the Fourth Proportional to 190,695.11, 263,257.25 and 134,357.99
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Solution
The fourth proportional to 190,695.11, 263,257.25 and 134,357.99 is: 185,483.07
Step by Step Solution
- Step 1: Write the proportion equation
190,695.11 : 263,257.25 = 134,357.99 : x - Step 2: Convert to fraction form
190,695.11/263,257.25 = 134,357.99/x - Step 3: Cross multiply
190,695.11x = 263,257.25 × 134,357.99 - Step 4: Simplify right side
190,695.11x = 35,370,712,974.85 - Step 5: Solve for x
x = 35,370,712,974.85/190,695.11 - Step 6: Final answer
x = 185,483.07
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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.