Finding the Fourth Proportional to 171,819.27, 257,829.35 and 71,970.98
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Solution
The fourth proportional to 171,819.27, 257,829.35 and 71,970.98 is: 107,998.53
Step by Step Solution
- Step 1: Write the proportion equation
171,819.27 : 257,829.35 = 71,970.98 : x - Step 2: Convert to fraction form
171,819.27/257,829.35 = 71,970.98/x - Step 3: Cross multiply
171,819.27x = 257,829.35 × 71,970.98 - Step 4: Simplify right side
171,819.27x = 18,556,229,343.26 - Step 5: Solve for x
x = 18,556,229,343.26/171,819.27 - Step 6: Final answer
x = 107,998.53
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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.