Finding the Fourth Proportional to 137,919.36, 206,878.98 and 44,425.10
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Solution
The fourth proportional to 137,919.36, 206,878.98 and 44,425.10 is: 66,637.63
Step by Step Solution
- Step 1: Write the proportion equation
137,919.36 : 206,878.98 = 44,425.10 : x - Step 2: Convert to fraction form
137,919.36/206,878.98 = 44,425.10/x - Step 3: Cross multiply
137,919.36x = 206,878.98 × 44,425.10 - Step 4: Simplify right side
137,919.36x = 9,190,619,374.40 - Step 5: Solve for x
x = 9,190,619,374.40/137,919.36 - Step 6: Final answer
x = 66,637.63
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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.