Finding the Fourth Proportional to 265,905.10, 367,426.90 and 202,132.18
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Solution
The fourth proportional to 265,905.10, 367,426.90 and 202,132.18 is: 279,305.66
Step by Step Solution
- Step 1: Write the proportion equation
265,905.10 : 367,426.90 = 202,132.18 : x - Step 2: Convert to fraction form
265,905.10/367,426.90 = 202,132.18/x - Step 3: Cross multiply
265,905.10x = 367,426.90 × 202,132.18 - Step 4: Simplify right side
265,905.10x = 74,268,800,287.64 - Step 5: Solve for x
x = 74,268,800,287.64/265,905.10 - Step 6: Final answer
x = 279,305.66
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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.