Finding the Fourth Proportional to 825,135.12, 1,237,703.76 and 226,101.60
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Solution
The fourth proportional to 825,135.12, 1,237,703.76 and 226,101.60 is: 339,152.70
Step by Step Solution
- Step 1: Write the proportion equation
825,135.12 : 1,237,703.76 = 226,101.60 : x - Step 2: Convert to fraction form
825,135.12/1,237,703.76 = 226,101.60/x - Step 3: Cross multiply
825,135.12x = 1,237,703.76 × 226,101.60 - Step 4: Simplify right side
825,135.12x = 279,846,800,462.02 - Step 5: Solve for x
x = 279,846,800,462.02/825,135.12 - Step 6: Final answer
x = 339,152.70
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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.