Finding the Fourth Proportional to 296,911.36, 445,520.16 and 139,155.84
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Solution
The fourth proportional to 296,911.36, 445,520.16 and 139,155.84 is: 208,805.52
Step by Step Solution
- Step 1: Write the proportion equation
296,911.36 : 445,520.16 = 139,155.84 : x - Step 2: Convert to fraction form
296,911.36/445,520.16 = 139,155.84/x - Step 3: Cross multiply
296,911.36x = 445,520.16 × 139,155.84 - Step 4: Simplify right side
296,911.36x = 61,996,732,101.73 - Step 5: Solve for x
x = 61,996,732,101.73/296,911.36 - Step 6: Final answer
x = 208,805.52
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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.