Finding the Fourth Proportional to 157,079.10, 235,618.65 and 125,975.10
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Solution
The fourth proportional to 157,079.10, 235,618.65 and 125,975.10 is: 188,962.65
Step by Step Solution
- Step 1: Write the proportion equation
157,079.10 : 235,618.65 = 125,975.10 : x - Step 2: Convert to fraction form
157,079.10/235,618.65 = 125,975.10/x - Step 3: Cross multiply
157,079.10x = 235,618.65 × 125,975.10 - Step 4: Simplify right side
157,079.10x = 29,682,082,995.62 - Step 5: Solve for x
x = 29,682,082,995.62/157,079.10 - Step 6: Final answer
x = 188,962.65
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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.