Finding the Fourth Proportional to 150,557.16, 207,247.36 and 130,129.92
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Solution
The fourth proportional to 150,557.16, 207,247.36 and 130,129.92 is: 179,128.53
Step by Step Solution
- Step 1: Write the proportion equation
150,557.16 : 207,247.36 = 130,129.92 : x - Step 2: Convert to fraction form
150,557.16/207,247.36 = 130,129.92/x - Step 3: Cross multiply
150,557.16x = 207,247.36 × 130,129.92 - Step 4: Simplify right side
150,557.16x = 26,969,082,377.01 - Step 5: Solve for x
x = 26,969,082,377.01/150,557.16 - Step 6: Final answer
x = 179,128.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.