Finding the Fourth Proportional to 237,079.13, 327,169.17 and 129,649.23
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Solution
The fourth proportional to 237,079.13, 327,169.17 and 129,649.23 is: 178,915.93
Step by Step Solution
- Step 1: Write the proportion equation
237,079.13 : 327,169.17 = 129,649.23 : x - Step 2: Convert to fraction form
237,079.13/327,169.17 = 129,649.23/x - Step 3: Cross multiply
237,079.13x = 327,169.17 × 129,649.23 - Step 4: Simplify right side
237,079.13x = 42,417,230,970.24 - Step 5: Solve for x
x = 42,417,230,970.24/237,079.13 - Step 6: Final answer
x = 178,915.93
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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.