Finding the Fourth Proportional to 157,029.56, 235,455.11 and 107,170.06
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Solution
The fourth proportional to 157,029.56, 235,455.11 and 107,170.06 is: 160,694.19
Step by Step Solution
- Step 1: Write the proportion equation
157,029.56 : 235,455.11 = 107,170.06 : x - Step 2: Convert to fraction form
157,029.56/235,455.11 = 107,170.06/x - Step 3: Cross multiply
157,029.56x = 235,455.11 × 107,170.06 - Step 4: Simplify right side
157,029.56x = 25,233,738,266.01 - Step 5: Solve for x
x = 25,233,738,266.01/157,029.56 - Step 6: Final answer
x = 160,694.19
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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.