Finding the Fourth Proportional to 216,358.44, 324,551.50 and 83,238.71
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Solution
The fourth proportional to 216,358.44, 324,551.50 and 83,238.71 is: 124,863.38
Step by Step Solution
- Step 1: Write the proportion equation
216,358.44 : 324,551.50 = 83,238.71 : x - Step 2: Convert to fraction form
216,358.44/324,551.50 = 83,238.71/x - Step 3: Cross multiply
216,358.44x = 324,551.50 × 83,238.71 - Step 4: Simplify right side
216,358.44x = 27,015,246,565.81 - Step 5: Solve for x
x = 27,015,246,565.81/216,358.44 - Step 6: Final answer
x = 124,863.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.