Finding the Fourth Proportional to 226,682.08, 312,814.99 and 123,312.85
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Solution
The fourth proportional to 226,682.08, 312,814.99 and 123,312.85 is: 170,168.32
Step by Step Solution
- Step 1: Write the proportion equation
226,682.08 : 312,814.99 = 123,312.85 : x - Step 2: Convert to fraction form
226,682.08/312,814.99 = 123,312.85/x - Step 3: Cross multiply
226,682.08x = 312,814.99 × 123,312.85 - Step 4: Simplify right side
226,682.08x = 38,574,107,311.73 - Step 5: Solve for x
x = 38,574,107,311.73/226,682.08 - Step 6: Final answer
x = 170,168.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.