Finding the Fourth Proportional to 513,787.52, 770,902.68 and 214,327.08
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Solution
The fourth proportional to 513,787.52, 770,902.68 and 214,327.08 is: 321,582.98
Step by Step Solution
- Step 1: Write the proportion equation
513,787.52 : 770,902.68 = 214,327.08 : x - Step 2: Convert to fraction form
513,787.52/770,902.68 = 214,327.08/x - Step 3: Cross multiply
513,787.52x = 770,902.68 × 214,327.08 - Step 4: Simplify right side
513,787.52x = 165,225,320,368.57 - Step 5: Solve for x
x = 165,225,320,368.57/513,787.52 - Step 6: Final answer
x = 321,582.98
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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.