Finding the Fourth Proportional to 138,772.14, 208,165.58 and 44,009.79
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Solution
The fourth proportional to 138,772.14, 208,165.58 and 44,009.79 is: 66,017.02
Step by Step Solution
- Step 1: Write the proportion equation
138,772.14 : 208,165.58 = 44,009.79 : x - Step 2: Convert to fraction form
138,772.14/208,165.58 = 44,009.79/x - Step 3: Cross multiply
138,772.14x = 208,165.58 × 44,009.79 - Step 4: Simplify right side
138,772.14x = 9,161,323,240.98 - Step 5: Solve for x
x = 9,161,323,240.98/138,772.14 - Step 6: Final answer
x = 66,017.02
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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.