Finding the Fourth Proportional to 160,489.97, 221,476.02 and 88,869.99
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Solution
The fourth proportional to 160,489.97, 221,476.02 and 88,869.99 is: 122,640.50
Step by Step Solution
- Step 1: Write the proportion equation
160,489.97 : 221,476.02 = 88,869.99 : x - Step 2: Convert to fraction form
160,489.97/221,476.02 = 88,869.99/x - Step 3: Cross multiply
160,489.97x = 221,476.02 × 88,869.99 - Step 4: Simplify right side
160,489.97x = 19,682,570,130.91 - Step 5: Solve for x
x = 19,682,570,130.91/160,489.97 - Step 6: Final answer
x = 122,640.50
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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.