Finding the Fourth Proportional to 144,327.30, 199,170.14 and 79,801.08
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Solution
The fourth proportional to 144,327.30, 199,170.14 and 79,801.08 is: 110,124.64
Step by Step Solution
- Step 1: Write the proportion equation
144,327.30 : 199,170.14 = 79,801.08 : x - Step 2: Convert to fraction form
144,327.30/199,170.14 = 79,801.08/x - Step 3: Cross multiply
144,327.30x = 199,170.14 × 79,801.08 - Step 4: Simplify right side
144,327.30x = 15,893,991,876.75 - Step 5: Solve for x
x = 15,893,991,876.75/144,327.30 - Step 6: Final answer
x = 110,124.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.