Finding the Fourth Proportional to 216,464.36, 298,527.36 and 135,899.39
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Solution
The fourth proportional to 216,464.36, 298,527.36 and 135,899.39 is: 187,419.70
Step by Step Solution
- Step 1: Write the proportion equation
216,464.36 : 298,527.36 = 135,899.39 : x - Step 2: Convert to fraction form
216,464.36/298,527.36 = 135,899.39/x - Step 3: Cross multiply
216,464.36x = 298,527.36 × 135,899.39 - Step 4: Simplify right side
216,464.36x = 40,569,684,629.67 - Step 5: Solve for x
x = 40,569,684,629.67/216,464.36 - Step 6: Final answer
x = 187,419.70
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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.