Finding the Fourth Proportional to 283,507.28, 390,701.75 and 202,794.68
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Solution
The fourth proportional to 283,507.28, 390,701.75 and 202,794.68 is: 279,471.60
Step by Step Solution
- Step 1: Write the proportion equation
283,507.28 : 390,701.75 = 202,794.68 : x - Step 2: Convert to fraction form
283,507.28/390,701.75 = 202,794.68/x - Step 3: Cross multiply
283,507.28x = 390,701.75 × 202,794.68 - Step 4: Simplify right side
283,507.28x = 79,232,233,399.21 - Step 5: Solve for x
x = 79,232,233,399.21/283,507.28 - Step 6: Final answer
x = 279,471.60
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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.