Finding the Fourth Proportional to 71,467.02, 107,208.99 and 18,876.96
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Solution
The fourth proportional to 71,467.02, 107,208.99 and 18,876.96 is: 28,317.67
Step by Step Solution
- Step 1: Write the proportion equation
71,467.02 : 107,208.99 = 18,876.96 : x - Step 2: Convert to fraction form
71,467.02/107,208.99 = 18,876.96/x - Step 3: Cross multiply
71,467.02x = 107,208.99 × 18,876.96 - Step 4: Simplify right side
71,467.02x = 2,023,779,815.87 - Step 5: Solve for x
x = 2,023,779,815.87/71,467.02 - Step 6: Final answer
x = 28,317.67
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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.