Finding the Fourth Proportional to 237,921.56, 328,340.94 and 130,496.12
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Solution
The fourth proportional to 237,921.56, 328,340.94 and 130,496.12 is: 180,089.68
Step by Step Solution
- Step 1: Write the proportion equation
237,921.56 : 328,340.94 = 130,496.12 : x - Step 2: Convert to fraction form
237,921.56/328,340.94 = 130,496.12/x - Step 3: Cross multiply
237,921.56x = 328,340.94 × 130,496.12 - Step 4: Simplify right side
237,921.56x = 42,847,218,707.15 - Step 5: Solve for x
x = 42,847,218,707.15/237,921.56 - Step 6: Final answer
x = 180,089.68
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1.5x scale
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.