Finding the Fourth Proportional to 203,564.08, 280,919.99 and 111,682.76
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Solution
The fourth proportional to 203,564.08, 280,919.99 and 111,682.76 is: 154,123.07
Step by Step Solution
- Step 1: Write the proportion equation
203,564.08 : 280,919.99 = 111,682.76 : x - Step 2: Convert to fraction form
203,564.08/280,919.99 = 111,682.76/x - Step 3: Cross multiply
203,564.08x = 280,919.99 × 111,682.76 - Step 4: Simplify right side
203,564.08x = 31,373,919,263.96 - Step 5: Solve for x
x = 31,373,919,263.96/203,564.08 - Step 6: Final answer
x = 154,123.07
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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.