Finding the Fourth Proportional to 226,107.12, 312,022.08 and 124,132.08
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Solution
The fourth proportional to 226,107.12, 312,022.08 and 124,132.08 is: 171,299.12
Step by Step Solution
- Step 1: Write the proportion equation
226,107.12 : 312,022.08 = 124,132.08 : x - Step 2: Convert to fraction form
226,107.12/312,022.08 = 124,132.08/x - Step 3: Cross multiply
226,107.12x = 312,022.08 × 124,132.08 - Step 4: Simplify right side
226,107.12x = 38,731,949,796.33 - Step 5: Solve for x
x = 38,731,949,796.33/226,107.12 - Step 6: Final answer
x = 171,299.12
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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.