Finding the Fourth Proportional to 294,108.74, 441,163.19 and 72,492.74
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Solution
The fourth proportional to 294,108.74, 441,163.19 and 72,492.74 is: 108,739.13
Step by Step Solution
- Step 1: Write the proportion equation
294,108.74 : 441,163.19 = 72,492.74 : x - Step 2: Convert to fraction form
294,108.74/441,163.19 = 72,492.74/x - Step 3: Cross multiply
294,108.74x = 441,163.19 × 72,492.74 - Step 4: Simplify right side
294,108.74x = 31,981,128,430.24 - Step 5: Solve for x
x = 31,981,128,430.24/294,108.74 - Step 6: Final answer
x = 108,739.13
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1.5x scale
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.