Finding the Fourth Proportional to 139,077.68, 208,533.21 and 44,266.91
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Solution
The fourth proportional to 139,077.68, 208,533.21 and 44,266.91 is: 66,373.85
Step by Step Solution
- Step 1: Write the proportion equation
139,077.68 : 208,533.21 = 44,266.91 : x - Step 2: Convert to fraction form
139,077.68/208,533.21 = 44,266.91/x - Step 3: Cross multiply
139,077.68x = 208,533.21 × 44,266.91 - Step 4: Simplify right side
139,077.68x = 9,231,120,839.08 - Step 5: Solve for x
x = 9,231,120,839.08/139,077.68 - Step 6: Final answer
x = 66,373.85
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1.5x scale
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.