Finding the Fourth Proportional to 239,232.93, 330,189.24 and 137,327.28
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Solution
The fourth proportional to 239,232.93, 330,189.24 and 137,327.28 is: 189,539.08
Step by Step Solution
- Step 1: Write the proportion equation
239,232.93 : 330,189.24 = 137,327.28 : x - Step 2: Convert to fraction form
239,232.93/330,189.24 = 137,327.28/x - Step 3: Cross multiply
239,232.93x = 330,189.24 × 137,327.28 - Step 4: Simplify right side
239,232.93x = 45,343,989,491.23 - Step 5: Solve for x
x = 45,343,989,491.23/239,232.93 - Step 6: Final answer
x = 189,539.08
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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.