Finding the Fourth Proportional to 201,485.08, 278,040.63 and 110,835.30
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Solution
The fourth proportional to 201,485.08, 278,040.63 and 110,835.30 is: 152,947.88
Step by Step Solution
- Step 1: Write the proportion equation
201,485.08 : 278,040.63 = 110,835.30 : x - Step 2: Convert to fraction form
201,485.08/278,040.63 = 110,835.30/x - Step 3: Cross multiply
201,485.08x = 278,040.63 × 110,835.30 - Step 4: Simplify right side
201,485.08x = 30,816,716,638.24 - Step 5: Solve for x
x = 30,816,716,638.24/201,485.08 - Step 6: Final answer
x = 152,947.88
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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.