Finding the Fourth Proportional to 568,964.36, 853,479.36 and 213,981.44
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Solution
The fourth proportional to 568,964.36, 853,479.36 and 213,981.44 is: 320,984.50
Step by Step Solution
- Step 1: Write the proportion equation
568,964.36 : 853,479.36 = 213,981.44 : x - Step 2: Convert to fraction form
568,964.36/853,479.36 = 213,981.44/x - Step 3: Cross multiply
568,964.36x = 853,479.36 × 213,981.44 - Step 4: Simplify right side
568,964.36x = 182,628,742,463.08 - Step 5: Solve for x
x = 182,628,742,463.08/568,964.36 - Step 6: Final answer
x = 320,984.50
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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.