Finding the Fourth Proportional to 263,044.64, 362,890.08 and 161,031.68
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Solution
The fourth proportional to 263,044.64, 362,890.08 and 161,031.68 is: 222,155.45
Step by Step Solution
- Step 1: Write the proportion equation
263,044.64 : 362,890.08 = 161,031.68 : x - Step 2: Convert to fraction form
263,044.64/362,890.08 = 161,031.68/x - Step 3: Cross multiply
263,044.64x = 362,890.08 × 161,031.68 - Step 4: Simplify right side
263,044.64x = 58,436,799,237.73 - Step 5: Solve for x
x = 58,436,799,237.73/263,044.64 - Step 6: Final answer
x = 222,155.45
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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.