Finding the Fourth Proportional to 331,628.22, 497,539.05 and 106,983.63
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Solution
The fourth proportional to 331,628.22, 497,539.05 and 106,983.63 is: 160,506.65
Step by Step Solution
- Step 1: Write the proportion equation
331,628.22 : 497,539.05 = 106,983.63 : x - Step 2: Convert to fraction form
331,628.22/497,539.05 = 106,983.63/x - Step 3: Cross multiply
331,628.22x = 497,539.05 × 106,983.63 - Step 4: Simplify right side
331,628.22x = 53,228,533,635.75 - Step 5: Solve for x
x = 53,228,533,635.75/331,628.22 - Step 6: Final answer
x = 160,506.65
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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.