Finding the Fourth Proportional to 237,812.36, 328,201.67 and 130,403.32
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Solution
The fourth proportional to 237,812.36, 328,201.67 and 130,403.32 is: 179,967.89
Step by Step Solution
- Step 1: Write the proportion equation
237,812.36 : 328,201.67 = 130,403.32 : x - Step 2: Convert to fraction form
237,812.36/328,201.67 = 130,403.32/x - Step 3: Cross multiply
237,812.36x = 328,201.67 × 130,403.32 - Step 4: Simplify right side
237,812.36x = 42,798,586,903.05 - Step 5: Solve for x
x = 42,798,586,903.05/237,812.36 - Step 6: Final answer
x = 179,967.89
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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.