Finding the Fourth Proportional to 540,128.23, 810,181.90 and 161,305.63
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Solution
The fourth proportional to 540,128.23, 810,181.90 and 161,305.63 is: 241,955.33
Step by Step Solution
- Step 1: Write the proportion equation
540,128.23 : 810,181.90 = 161,305.63 : x - Step 2: Convert to fraction form
540,128.23/810,181.90 = 161,305.63/x - Step 3: Cross multiply
540,128.23x = 810,181.90 × 161,305.63 - Step 4: Simplify right side
540,128.23x = 130,686,901,794.10 - Step 5: Solve for x
x = 130,686,901,794.10/540,128.23 - Step 6: Final answer
x = 241,955.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.