Finding the Fourth Proportional to 263,557.24, 363,707.45 and 142,695.99
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Solution
The fourth proportional to 263,557.24, 363,707.45 and 142,695.99 is: 196,919.63
Step by Step Solution
- Step 1: Write the proportion equation
263,557.24 : 363,707.45 = 142,695.99 : x - Step 2: Convert to fraction form
263,557.24/363,707.45 = 142,695.99/x - Step 3: Cross multiply
263,557.24x = 363,707.45 × 142,695.99 - Step 4: Simplify right side
263,557.24x = 51,899,592,116.11 - Step 5: Solve for x
x = 51,899,592,116.11/263,557.24 - Step 6: Final answer
x = 196,919.63
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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.