Finding the Fourth Proportional to 526,905.75, 790,358.63 and 194,481.75
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Solution
The fourth proportional to 526,905.75, 790,358.63 and 194,481.75 is: 291,722.63
Step by Step Solution
- Step 1: Write the proportion equation
526,905.75 : 790,358.63 = 194,481.75 : x - Step 2: Convert to fraction form
526,905.75/790,358.63 = 194,481.75/x - Step 3: Cross multiply
526,905.75x = 790,358.63 × 194,481.75 - Step 4: Simplify right side
526,905.75x = 153,710,328,517.59 - Step 5: Solve for x
x = 153,710,328,517.59/526,905.75 - Step 6: Final answer
x = 291,722.63
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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.