Finding the Fourth Proportional to 171,538.46, 257,308.29 and 121,467.09
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Solution
The fourth proportional to 171,538.46, 257,308.29 and 121,467.09 is: 182,201.06
Step by Step Solution
- Step 1: Write the proportion equation
171,538.46 : 257,308.29 = 121,467.09 : x - Step 2: Convert to fraction form
171,538.46/257,308.29 = 121,467.09/x - Step 3: Cross multiply
171,538.46x = 257,308.29 × 121,467.09 - Step 4: Simplify right side
171,538.46x = 31,254,488,611.84 - Step 5: Solve for x
x = 31,254,488,611.84/171,538.46 - Step 6: Final answer
x = 182,201.06
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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.