Finding the Fourth Proportional to 469,325.28, 647,662.86 and 254,464.68
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Solution
The fourth proportional to 469,325.28, 647,662.86 and 254,464.68 is: 351,157.99
Step by Step Solution
- Step 1: Write the proportion equation
469,325.28 : 647,662.86 = 254,464.68 : x - Step 2: Convert to fraction form
469,325.28/647,662.86 = 254,464.68/x - Step 3: Cross multiply
469,325.28x = 647,662.86 × 254,464.68 - Step 4: Simplify right side
469,325.28x = 164,807,322,417.79 - Step 5: Solve for x
x = 164,807,322,417.79/469,325.28 - Step 6: Final answer
x = 351,157.99
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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.