Finding the Fourth Proportional to 201,947.44, 278,676.07 and 111,303.12
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Solution
The fourth proportional to 201,947.44, 278,676.07 and 111,303.12 is: 153,592.02
Step by Step Solution
- Step 1: Write the proportion equation
201,947.44 : 278,676.07 = 111,303.12 : x - Step 2: Convert to fraction form
201,947.44/278,676.07 = 111,303.12/x - Step 3: Cross multiply
201,947.44x = 278,676.07 × 111,303.12 - Step 4: Simplify right side
201,947.44x = 31,017,515,782.08 - Step 5: Solve for x
x = 31,017,515,782.08/201,947.44 - Step 6: Final answer
x = 153,592.02
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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.