Finding the Fourth Proportional to 344,759.76, 475,786.80 and 201,603.60
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Solution
The fourth proportional to 344,759.76, 475,786.80 and 201,603.60 is: 278,223.69
Step by Step Solution
- Step 1: Write the proportion equation
344,759.76 : 475,786.80 = 201,603.60 : x - Step 2: Convert to fraction form
344,759.76/475,786.80 = 201,603.60/x - Step 3: Cross multiply
344,759.76x = 475,786.80 × 201,603.60 - Step 4: Simplify right side
344,759.76x = 95,920,331,712.48 - Step 5: Solve for x
x = 95,920,331,712.48/344,759.76 - Step 6: Final answer
x = 278,223.69
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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.