Finding the Fourth Proportional to 237,671.88, 327,987.20 and 130,246.14
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Solution
The fourth proportional to 237,671.88, 327,987.20 and 130,246.14 is: 179,739.67
Step by Step Solution
- Step 1: Write the proportion equation
237,671.88 : 327,987.20 = 130,246.14 : x - Step 2: Convert to fraction form
237,671.88/327,987.20 = 130,246.14/x - Step 3: Cross multiply
237,671.88x = 327,987.20 × 130,246.14 - Step 4: Simplify right side
237,671.88x = 42,719,064,478.24 - Step 5: Solve for x
x = 42,719,064,478.24/237,671.88 - Step 6: Final answer
x = 179,739.67
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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.