Finding the Fourth Proportional to 139,079.68, 208,536.21 and 44,268.91
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Solution
The fourth proportional to 139,079.68, 208,536.21 and 44,268.91 is: 66,376.85
Step by Step Solution
- Step 1: Write the proportion equation
139,079.68 : 208,536.21 = 44,268.91 : x - Step 2: Convert to fraction form
139,079.68/208,536.21 = 44,268.91/x - Step 3: Cross multiply
139,079.68x = 208,536.21 × 44,268.91 - Step 4: Simplify right side
139,079.68x = 9,231,670,712.23 - Step 5: Solve for x
x = 9,231,670,712.23/139,079.68 - Step 6: Final answer
x = 66,376.85
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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.