Finding the Fourth Proportional to 139,183.91, 208,673.63 and 44,359.53
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Solution
The fourth proportional to 139,183.91, 208,673.63 and 44,359.53 is: 66,506.71
Step by Step Solution
- Step 1: Write the proportion equation
139,183.91 : 208,673.63 = 44,359.53 : x - Step 2: Convert to fraction form
139,183.91/208,673.63 = 44,359.53/x - Step 3: Cross multiply
139,183.91x = 208,673.63 × 44,359.53 - Step 4: Simplify right side
139,183.91x = 9,256,663,928.40 - Step 5: Solve for x
x = 9,256,663,928.40/139,183.91 - Step 6: Final answer
x = 66,506.71
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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.