Finding the Fourth Proportional to 381,169.76, 526,000.92 and 211,419.68
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Solution
The fourth proportional to 381,169.76, 526,000.92 and 211,419.68 is: 291,751.75
Step by Step Solution
- Step 1: Write the proportion equation
381,169.76 : 526,000.92 = 211,419.68 : x - Step 2: Convert to fraction form
381,169.76/526,000.92 = 211,419.68/x - Step 3: Cross multiply
381,169.76x = 526,000.92 × 211,419.68 - Step 4: Simplify right side
381,169.76x = 111,206,946,186.11 - Step 5: Solve for x
x = 111,206,946,186.11/381,169.76 - Step 6: Final answer
x = 291,751.75
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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.