Finding the Fourth Proportional to 738,125.10, 1,107,187.65 and 239,489.10
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Solution
The fourth proportional to 738,125.10, 1,107,187.65 and 239,489.10 is: 359,233.65
Step by Step Solution
- Step 1: Write the proportion equation
738,125.10 : 1,107,187.65 = 239,489.10 : x - Step 2: Convert to fraction form
738,125.10/1,107,187.65 = 239,489.10/x - Step 3: Cross multiply
738,125.10x = 1,107,187.65 × 239,489.10 - Step 4: Simplify right side
738,125.10x = 265,159,373,829.62 - Step 5: Solve for x
x = 265,159,373,829.62/738,125.10 - Step 6: Final answer
x = 359,233.65
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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.