Finding the Fourth Proportional to 329,139.97, 493,804.52 and 136,976.99
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Solution
The fourth proportional to 329,139.97, 493,804.52 and 136,976.99 is: 205,504.83
Step by Step Solution
- Step 1: Write the proportion equation
329,139.97 : 493,804.52 = 136,976.99 : x - Step 2: Convert to fraction form
329,139.97/493,804.52 = 136,976.99/x - Step 3: Cross multiply
329,139.97x = 493,804.52 × 136,976.99 - Step 4: Simplify right side
329,139.97x = 67,639,853,644.09 - Step 5: Solve for x
x = 67,639,853,644.09/329,139.97 - Step 6: Final answer
x = 205,504.83
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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.