Finding the Fourth Proportional to 253,634.91, 350,027.17 and 140,457.66
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Solution
The fourth proportional to 253,634.91, 350,027.17 and 140,457.66 is: 193,837.66
Step by Step Solution
- Step 1: Write the proportion equation
253,634.91 : 350,027.17 = 140,457.66 : x - Step 2: Convert to fraction form
253,634.91/350,027.17 = 140,457.66/x - Step 3: Cross multiply
253,634.91x = 350,027.17 × 140,457.66 - Step 4: Simplify right side
253,634.91x = 49,163,996,360.95 - Step 5: Solve for x
x = 49,163,996,360.95/253,634.91 - Step 6: Final answer
x = 193,837.66
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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.