Finding the Fourth Proportional to 255,293.21, 352,351.86 and 147,863.21
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Solution
The fourth proportional to 255,293.21, 352,351.86 and 147,863.21 is: 204,078.59
Step by Step Solution
- Step 1: Write the proportion equation
255,293.21 : 352,351.86 = 147,863.21 : x - Step 2: Convert to fraction form
255,293.21/352,351.86 = 147,863.21/x - Step 3: Cross multiply
255,293.21x = 352,351.86 × 147,863.21 - Step 4: Simplify right side
255,293.21x = 52,099,877,069.07 - Step 5: Solve for x
x = 52,099,877,069.07/255,293.21 - Step 6: Final answer
x = 204,078.59
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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.