Finding the Fourth Proportional to 298,160.64, 446,929.84 and 120,790.08
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Solution
The fourth proportional to 298,160.64, 446,929.84 and 120,790.08 is: 181,059.08
Step by Step Solution
- Step 1: Write the proportion equation
298,160.64 : 446,929.84 = 120,790.08 : x - Step 2: Convert to fraction form
298,160.64/446,929.84 = 120,790.08/x - Step 3: Cross multiply
298,160.64x = 446,929.84 × 120,790.08 - Step 4: Simplify right side
298,160.64x = 53,984,691,127.99 - Step 5: Solve for x
x = 53,984,691,127.99/298,160.64 - Step 6: Final answer
x = 181,059.08
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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.