Finding the Fourth Proportional to 190,051.13, 262,252.75 and 113,554.99
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Solution
The fourth proportional to 190,051.13, 262,252.75 and 113,554.99 is: 156,695.25
Step by Step Solution
- Step 1: Write the proportion equation
190,051.13 : 262,252.75 = 113,554.99 : x - Step 2: Convert to fraction form
190,051.13/262,252.75 = 113,554.99/x - Step 3: Cross multiply
190,051.13x = 262,252.75 × 113,554.99 - Step 4: Simplify right side
190,051.13x = 29,780,108,403.72 - Step 5: Solve for x
x = 29,780,108,403.72/190,051.13 - Step 6: Final answer
x = 156,695.25
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1.5x scale
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.