Finding the Fourth Proportional to 664,128.36, 996,671.30 and 264,537.99
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Solution
The fourth proportional to 664,128.36, 996,671.30 and 264,537.99 is: 396,997.68
Step by Step Solution
- Step 1: Write the proportion equation
664,128.36 : 996,671.30 = 264,537.99 : x - Step 2: Convert to fraction form
664,128.36/996,671.30 = 264,537.99/x - Step 3: Cross multiply
664,128.36x = 996,671.30 × 264,537.99 - Step 4: Simplify right side
664,128.36x = 263,657,421,070.00 - Step 5: Solve for x
x = 263,657,421,070.00/664,128.36 - Step 6: Final answer
x = 396,997.68
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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.