Finding the Fourth Proportional to 352,373.84, 486,260.36 and 201,480.72
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Solution
The fourth proportional to 352,373.84, 486,260.36 and 201,480.72 is: 278,034.51
Step by Step Solution
- Step 1: Write the proportion equation
352,373.84 : 486,260.36 = 201,480.72 : x - Step 2: Convert to fraction form
352,373.84/486,260.36 = 201,480.72/x - Step 3: Cross multiply
352,373.84x = 486,260.36 × 201,480.72 - Step 4: Simplify right side
352,373.84x = 97,972,087,440.26 - Step 5: Solve for x
x = 97,972,087,440.26/352,373.84 - Step 6: Final answer
x = 278,034.51
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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.