Finding the Fourth Proportional to 212,291.77, 318,484.44 and 92,367.55
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Solution
The fourth proportional to 212,291.77, 318,484.44 and 92,367.55 is: 138,571.68
Step by Step Solution
- Step 1: Write the proportion equation
212,291.77 : 318,484.44 = 92,367.55 : x - Step 2: Convert to fraction form
212,291.77/318,484.44 = 92,367.55/x - Step 3: Cross multiply
212,291.77x = 318,484.44 × 92,367.55 - Step 4: Simplify right side
212,291.77x = 29,417,627,574.24 - Step 5: Solve for x
x = 29,417,627,574.24/212,291.77 - Step 6: Final answer
x = 138,571.68
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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.