Finding the Fourth Proportional to 511,764.99, 767,817.36 and 156,782.49
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Solution
The fourth proportional to 511,764.99, 767,817.36 and 156,782.49 is: 235,225.78
Step by Step Solution
- Step 1: Write the proportion equation
511,764.99 : 767,817.36 = 156,782.49 : x - Step 2: Convert to fraction form
511,764.99/767,817.36 = 156,782.49/x - Step 3: Cross multiply
511,764.99x = 767,817.36 × 156,782.49 - Step 4: Simplify right side
511,764.99x = 120,380,317,566.03 - Step 5: Solve for x
x = 120,380,317,566.03/511,764.99 - Step 6: Final answer
x = 235,225.78
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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.