Finding the Fourth Proportional to 307,438.88, 461,396.45 and 213,329.84
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Solution
The fourth proportional to 307,438.88, 461,396.45 and 213,329.84 is: 320,160.00
Step by Step Solution
- Step 1: Write the proportion equation
307,438.88 : 461,396.45 = 213,329.84 : x - Step 2: Convert to fraction form
307,438.88/461,396.45 = 213,329.84/x - Step 3: Cross multiply
307,438.88x = 461,396.45 × 213,329.84 - Step 4: Simplify right side
307,438.88x = 98,429,629,081.41 - Step 5: Solve for x
x = 98,429,629,081.41/307,438.88 - Step 6: Final answer
x = 320,160.00
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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.