Finding the Fourth Proportional to 139,246.22, 208,903.35 and 44,476.42
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Solution
The fourth proportional to 139,246.22, 208,903.35 and 44,476.42 is: 66,725.50
Step by Step Solution
- Step 1: Write the proportion equation
139,246.22 : 208,903.35 = 44,476.42 : x - Step 2: Convert to fraction form
139,246.22/208,903.35 = 44,476.42/x - Step 3: Cross multiply
139,246.22x = 208,903.35 × 44,476.42 - Step 4: Simplify right side
139,246.22x = 9,291,273,134.01 - Step 5: Solve for x
x = 9,291,273,134.01/139,246.22 - Step 6: Final answer
x = 66,725.50
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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.