Finding the Fourth Proportional to 160,458.43, 221,298.11 and 103,107.09
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Solution
The fourth proportional to 160,458.43, 221,298.11 and 103,107.09 is: 142,201.34
Step by Step Solution
- Step 1: Write the proportion equation
160,458.43 : 221,298.11 = 103,107.09 : x - Step 2: Convert to fraction form
160,458.43/221,298.11 = 103,107.09/x - Step 3: Cross multiply
160,458.43x = 221,298.11 × 103,107.09 - Step 4: Simplify right side
160,458.43x = 22,817,404,144.60 - Step 5: Solve for x
x = 22,817,404,144.60/160,458.43 - Step 6: Final answer
x = 142,201.34
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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.