Finding the Fourth Proportional to 264,507.03, 396,787.91 and 87,013.80
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Solution
The fourth proportional to 264,507.03, 396,787.91 and 87,013.80 is: 130,529.70
Step by Step Solution
- Step 1: Write the proportion equation
264,507.03 : 396,787.91 = 87,013.80 : x - Step 2: Convert to fraction form
264,507.03/396,787.91 = 87,013.80/x - Step 3: Cross multiply
264,507.03x = 396,787.91 × 87,013.80 - Step 4: Simplify right side
264,507.03x = 34,526,023,408.09 - Step 5: Solve for x
x = 34,526,023,408.09/264,507.03 - Step 6: Final answer
x = 130,529.70
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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.