Finding the Fourth Proportional to 168,028.08, 252,089.64 and 49,698.96
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Solution
The fourth proportional to 168,028.08, 252,089.64 and 49,698.96 is: 74,562.50
Step by Step Solution
- Step 1: Write the proportion equation
168,028.08 : 252,089.64 = 49,698.96 : x - Step 2: Convert to fraction form
168,028.08/252,089.64 = 49,698.96/x - Step 3: Cross multiply
168,028.08x = 252,089.64 × 49,698.96 - Step 4: Simplify right side
168,028.08x = 12,528,592,934.77 - Step 5: Solve for x
x = 12,528,592,934.77/168,028.08 - Step 6: Final answer
x = 74,562.50
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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.