Finding the Fourth Proportional to 168,762.58, 252,682.74 and 121,424.98
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Solution
The fourth proportional to 168,762.58, 252,682.74 and 121,424.98 is: 181,805.69
Step by Step Solution
- Step 1: Write the proportion equation
168,762.58 : 252,682.74 = 121,424.98 : x - Step 2: Convert to fraction form
168,762.58/252,682.74 = 121,424.98/x - Step 3: Cross multiply
168,762.58x = 252,682.74 × 121,424.98 - Step 4: Simplify right side
168,762.58x = 30,681,996,650.85 - Step 5: Solve for x
x = 30,681,996,650.85/168,762.58 - Step 6: Final answer
x = 181,805.69
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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.