Finding the Fourth Proportional to 171,837.12, 257,672.88 and 134,302.08
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Solution
The fourth proportional to 171,837.12, 257,672.88 and 134,302.08 is: 201,388.41
Step by Step Solution
- Step 1: Write the proportion equation
171,837.12 : 257,672.88 = 134,302.08 : x - Step 2: Convert to fraction form
171,837.12/257,672.88 = 134,302.08/x - Step 3: Cross multiply
171,837.12x = 257,672.88 × 134,302.08 - Step 4: Simplify right side
171,837.12x = 34,606,003,743.59 - Step 5: Solve for x
x = 34,606,003,743.59/171,837.12 - Step 6: Final answer
x = 201,388.41
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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.