Finding the Fourth Proportional to 254,204.97, 350,791.09 and 139,480.76
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Solution
The fourth proportional to 254,204.97, 350,791.09 and 139,480.76 is: 192,476.99
Step by Step Solution
- Step 1: Write the proportion equation
254,204.97 : 350,791.09 = 139,480.76 : x - Step 2: Convert to fraction form
254,204.97/350,791.09 = 139,480.76/x - Step 3: Cross multiply
254,204.97x = 350,791.09 × 139,480.76 - Step 4: Simplify right side
254,204.97x = 48,928,607,834.43 - Step 5: Solve for x
x = 48,928,607,834.43/254,204.97 - Step 6: Final answer
x = 192,476.99
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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.