Finding the Fourth Proportional to 307,247.73, 423,884.79 and 226,868.19
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Solution
The fourth proportional to 307,247.73, 423,884.79 and 226,868.19 is: 312,991.65
Step by Step Solution
- Step 1: Write the proportion equation
307,247.73 : 423,884.79 = 226,868.19 : x - Step 2: Convert to fraction form
307,247.73/423,884.79 = 226,868.19/x - Step 3: Cross multiply
307,247.73x = 423,884.79 × 226,868.19 - Step 4: Simplify right side
307,247.73x = 96,165,975,075.83 - Step 5: Solve for x
x = 96,165,975,075.83/307,247.73 - Step 6: Final answer
x = 312,991.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.