Finding the Fourth Proportional to 226,692.70, 340,652.85 and 121,587.10
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Solution
The fourth proportional to 226,692.70, 340,652.85 and 121,587.10 is: 182,709.86
Step by Step Solution
- Step 1: Write the proportion equation
226,692.70 : 340,652.85 = 121,587.10 : x - Step 2: Convert to fraction form
226,692.70/340,652.85 = 121,587.10/x - Step 3: Cross multiply
226,692.70x = 340,652.85 × 121,587.10 - Step 4: Simplify right side
226,692.70x = 41,418,992,138.24 - Step 5: Solve for x
x = 41,418,992,138.24/226,692.70 - Step 6: Final answer
x = 182,709.86
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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.