Finding the Fourth Proportional to 266,921.64, 367,902.95 and 202,369.50
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Solution
The fourth proportional to 266,921.64, 367,902.95 and 202,369.50 is: 278,929.56
Step by Step Solution
- Step 1: Write the proportion equation
266,921.64 : 367,902.95 = 202,369.50 : x - Step 2: Convert to fraction form
266,921.64/367,902.95 = 202,369.50/x - Step 3: Cross multiply
266,921.64x = 367,902.95 × 202,369.50 - Step 4: Simplify right side
266,921.64x = 74,452,335,028.18 - Step 5: Solve for x
x = 74,452,335,028.18/266,921.64 - Step 6: Final answer
x = 278,929.56
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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.