Finding the Fourth Proportional to 234,257.12, 323,268.84 and 130,892.12
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Solution
The fourth proportional to 234,257.12, 323,268.84 and 130,892.12 is: 180,627.78
Step by Step Solution
- Step 1: Write the proportion equation
234,257.12 : 323,268.84 = 130,892.12 : x - Step 2: Convert to fraction form
234,257.12/323,268.84 = 130,892.12/x - Step 3: Cross multiply
234,257.12x = 323,268.84 × 130,892.12 - Step 4: Simplify right side
234,257.12x = 42,313,343,797.54 - Step 5: Solve for x
x = 42,313,343,797.54/234,257.12 - Step 6: Final answer
x = 180,627.78
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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.