Finding the Fourth Proportional to 144,281.98, 199,091.95 and 79,747.26
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Solution
The fourth proportional to 144,281.98, 199,091.95 and 79,747.26 is: 110,041.72
Step by Step Solution
- Step 1: Write the proportion equation
144,281.98 : 199,091.95 = 79,747.26 : x - Step 2: Convert to fraction form
144,281.98/199,091.95 = 79,747.26/x - Step 3: Cross multiply
144,281.98x = 199,091.95 × 79,747.26 - Step 4: Simplify right side
144,281.98x = 15,877,037,500.56 - Step 5: Solve for x
x = 15,877,037,500.56/144,281.98 - Step 6: Final answer
x = 110,041.72
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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.