Finding the Fourth Proportional to 304,860.33, 420,777.21 and 202,890.06
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Solution
The fourth proportional to 304,860.33, 420,777.21 and 202,890.06 is: 280,034.84
Step by Step Solution
- Step 1: Write the proportion equation
304,860.33 : 420,777.21 = 202,890.06 : x - Step 2: Convert to fraction form
304,860.33/420,777.21 = 202,890.06/x - Step 3: Cross multiply
304,860.33x = 420,777.21 × 202,890.06 - Step 4: Simplify right side
304,860.33x = 85,371,513,383.53 - Step 5: Solve for x
x = 85,371,513,383.53/304,860.33 - Step 6: Final answer
x = 280,034.84
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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.