Finding the Fourth Proportional to 511,763.99, 767,815.86 and 156,781.49
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Solution
The fourth proportional to 511,763.99, 767,815.86 and 156,781.49 is: 235,224.28
Step by Step Solution
- Step 1: Write the proportion equation
511,763.99 : 767,815.86 = 156,781.49 : x - Step 2: Convert to fraction form
511,763.99/767,815.86 = 156,781.49/x - Step 3: Cross multiply
511,763.99x = 767,815.86 × 156,781.49 - Step 4: Simplify right side
511,763.99x = 120,379,314,576.43 - Step 5: Solve for x
x = 120,379,314,576.43/511,763.99 - Step 6: Final answer
x = 235,224.28
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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.