Finding the Fourth Proportional to 386,529.76, 536,982.52 and 383,069.44
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Solution
The fourth proportional to 386,529.76, 536,982.52 and 383,069.44 is: 532,175.31
Step by Step Solution
- Step 1: Write the proportion equation
386,529.76 : 536,982.52 = 383,069.44 : x - Step 2: Convert to fraction form
386,529.76/536,982.52 = 383,069.44/x - Step 3: Cross multiply
386,529.76x = 536,982.52 × 383,069.44 - Step 4: Simplify right side
386,529.76x = 205,701,593,226.19 - Step 5: Solve for x
x = 205,701,593,226.19/386,529.76 - Step 6: Final answer
x = 532,175.31
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.