Finding the Fourth Proportional to 145,658.16, 201,027.42 and 82,008.36
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Solution
The fourth proportional to 145,658.16, 201,027.42 and 82,008.36 is: 113,182.32
Step by Step Solution
- Step 1: Write the proportion equation
145,658.16 : 201,027.42 = 82,008.36 : x - Step 2: Convert to fraction form
145,658.16/201,027.42 = 82,008.36/x - Step 3: Cross multiply
145,658.16x = 201,027.42 × 82,008.36 - Step 4: Simplify right side
145,658.16x = 16,485,929,029.23 - Step 5: Solve for x
x = 16,485,929,029.23/145,658.16 - Step 6: Final answer
x = 113,182.32
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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.