Finding the Fourth Proportional to 296,958.97, 445,226.91 and 139,101.31
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Solution
The fourth proportional to 296,958.97, 445,226.91 and 139,101.31 is: 208,552.87
Step by Step Solution
- Step 1: Write the proportion equation
296,958.97 : 445,226.91 = 139,101.31 : x - Step 2: Convert to fraction form
296,958.97/445,226.91 = 139,101.31/x - Step 3: Cross multiply
296,958.97x = 445,226.91 × 139,101.31 - Step 4: Simplify right side
296,958.97x = 61,931,646,428.25 - Step 5: Solve for x
x = 61,931,646,428.25/296,958.97 - Step 6: Final answer
x = 208,552.87
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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.