Finding the Fourth Proportional to 168,508.96, 252,762.72 and 68,646.88
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Solution
The fourth proportional to 168,508.96, 252,762.72 and 68,646.88 is: 102,970.03
Step by Step Solution
- Step 1: Write the proportion equation
168,508.96 : 252,762.72 = 68,646.88 : x - Step 2: Convert to fraction form
168,508.96/252,762.72 = 68,646.88/x - Step 3: Cross multiply
168,508.96x = 252,762.72 × 68,646.88 - Step 4: Simplify right side
168,508.96x = 17,351,372,108.31 - Step 5: Solve for x
x = 17,351,372,108.31/168,508.96 - Step 6: Final answer
x = 102,970.03
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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.