Finding the Fourth Proportional to 145,897.44, 201,340.01 and 82,235.23
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Solution
The fourth proportional to 145,897.44, 201,340.01 and 82,235.23 is: 113,485.49
Step by Step Solution
- Step 1: Write the proportion equation
145,897.44 : 201,340.01 = 82,235.23 : x - Step 2: Convert to fraction form
145,897.44/201,340.01 = 82,235.23/x - Step 3: Cross multiply
145,897.44x = 201,340.01 × 82,235.23 - Step 4: Simplify right side
145,897.44x = 16,557,242,030.55 - Step 5: Solve for x
x = 16,557,242,030.55/145,897.44 - Step 6: Final answer
x = 113,485.49
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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.