Finding the Fourth Proportional to 201,859.38, 278,573.24 and 125,420.63
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Solution
The fourth proportional to 201,859.38, 278,573.24 and 125,420.63 is: 173,085.00
Step by Step Solution
- Step 1: Write the proportion equation
201,859.38 : 278,573.24 = 125,420.63 : x - Step 2: Convert to fraction form
201,859.38/278,573.24 = 125,420.63/x - Step 3: Cross multiply
201,859.38x = 278,573.24 × 125,420.63 - Step 4: Simplify right side
201,859.38x = 34,938,830,182.63 - Step 5: Solve for x
x = 34,938,830,182.63/201,859.38 - Step 6: Final answer
x = 173,085.00
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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.