Finding the Fourth Proportional to 786,650.08, 1,180,019.40 and 225,670
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Solution
The fourth proportional to 786,650.08, 1,180,019.40 and 225,670 is: 338,517.70
Step by Step Solution
- Step 1: Write the proportion equation
786,650.08 : 1,180,019.40 = 225,670 : x - Step 2: Convert to fraction form
786,650.08/1,180,019.40 = 225,670/x - Step 3: Cross multiply
786,650.08x = 1,180,019.40 × 225,670 - Step 4: Simplify right side
786,650.08x = 266,294,977,998.00 - Step 5: Solve for x
x = 266,294,977,998.00/786,650.08 - Step 6: Final answer
x = 338,517.70
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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.