Finding the Fourth Proportional to 297,387.02, 410,395.04 and 161,421.08
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Solution
The fourth proportional to 297,387.02, 410,395.04 and 161,421.08 is: 222,761.60
Step by Step Solution
- Step 1: Write the proportion equation
297,387.02 : 410,395.04 = 161,421.08 : x - Step 2: Convert to fraction form
297,387.02/410,395.04 = 161,421.08/x - Step 3: Cross multiply
297,387.02x = 410,395.04 × 161,421.08 - Step 4: Simplify right side
297,387.02x = 66,246,407,724.36 - Step 5: Solve for x
x = 66,246,407,724.36/297,387.02 - Step 6: Final answer
x = 222,761.60
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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.