Finding the Fourth Proportional to 237,743.14, 328,119.16 and 147,128.31
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Solution
The fourth proportional to 237,743.14, 328,119.16 and 147,128.31 is: 203,057.88
Step by Step Solution
- Step 1: Write the proportion equation
237,743.14 : 328,119.16 = 147,128.31 : x - Step 2: Convert to fraction form
237,743.14/328,119.16 = 147,128.31/x - Step 3: Cross multiply
237,743.14x = 328,119.16 × 147,128.31 - Step 4: Simplify right side
237,743.14x = 48,275,617,489.42 - Step 5: Solve for x
x = 48,275,617,489.42/237,743.14 - Step 6: Final answer
x = 203,057.88
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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.