Finding the Fourth Proportional to 329,140.97, 493,806.02 and 136,977.99
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Solution
The fourth proportional to 329,140.97, 493,806.02 and 136,977.99 is: 205,506.34
Step by Step Solution
- Step 1: Write the proportion equation
329,140.97 : 493,806.02 = 136,977.99 : x - Step 2: Convert to fraction form
329,140.97/493,806.02 = 136,977.99/x - Step 3: Cross multiply
329,140.97x = 493,806.02 × 136,977.99 - Step 4: Simplify right side
329,140.97x = 67,640,556,069.50 - Step 5: Solve for x
x = 67,640,556,069.50/329,140.97 - Step 6: Final answer
x = 205,506.34
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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.