Finding the Fourth Proportional to 511,783.56, 767,509.02 and 170,135.28
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Solution
The fourth proportional to 511,783.56, 767,509.02 and 170,135.28 is: 255,147.63
Step by Step Solution
- Step 1: Write the proportion equation
511,783.56 : 767,509.02 = 170,135.28 : x - Step 2: Convert to fraction form
511,783.56/767,509.02 = 170,135.28/x - Step 3: Cross multiply
511,783.56x = 767,509.02 × 170,135.28 - Step 4: Simplify right side
511,783.56x = 130,580,362,020.23 - Step 5: Solve for x
x = 130,580,362,020.23/511,783.56 - Step 6: Final answer
x = 255,147.63
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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.