Finding the Fourth Proportional to 144,315.15, 199,161.06 and 80,652.95
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Solution
The fourth proportional to 144,315.15, 199,161.06 and 80,652.95 is: 111,304.51
Step by Step Solution
- Step 1: Write the proportion equation
144,315.15 : 199,161.06 = 80,652.95 : x - Step 2: Convert to fraction form
144,315.15/199,161.06 = 80,652.95/x - Step 3: Cross multiply
144,315.15x = 199,161.06 × 80,652.95 - Step 4: Simplify right side
144,315.15x = 16,062,927,014.13 - Step 5: Solve for x
x = 16,062,927,014.13/144,315.15 - Step 6: Final answer
x = 111,304.51
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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.