Finding the Fourth Proportional to 144,347.63, 199,191.04 and 79,812.99
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Solution
The fourth proportional to 144,347.63, 199,191.04 and 79,812.99 is: 110,137.12
Step by Step Solution
- Step 1: Write the proportion equation
144,347.63 : 199,191.04 = 79,812.99 : x - Step 2: Convert to fraction form
144,347.63/199,191.04 = 79,812.99/x - Step 3: Cross multiply
144,347.63x = 199,191.04 × 79,812.99 - Step 4: Simplify right side
144,347.63x = 15,898,032,284.08 - Step 5: Solve for x
x = 15,898,032,284.08/144,347.63 - Step 6: Final answer
x = 110,137.12
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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.