Finding the Fourth Proportional to 886,418.19, 1,329,432.84 and 255,194.91
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Solution
The fourth proportional to 886,418.19, 1,329,432.84 and 255,194.91 is: 382,736.39
Step by Step Solution
- Step 1: Write the proportion equation
886,418.19 : 1,329,432.84 = 255,194.91 : x - Step 2: Convert to fraction form
886,418.19/1,329,432.84 = 255,194.91/x - Step 3: Cross multiply
886,418.19x = 1,329,432.84 × 255,194.91 - Step 4: Simplify right side
886,418.19x = 339,264,493,954.84 - Step 5: Solve for x
x = 339,264,493,954.84/886,418.19 - Step 6: Final answer
x = 382,736.39
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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.