Finding the Fourth Proportional to 300,121.57, 414,136.16 and 179,246.08
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Solution
The fourth proportional to 300,121.57, 414,136.16 and 179,246.08 is: 247,340.71
Step by Step Solution
- Step 1: Write the proportion equation
300,121.57 : 414,136.16 = 179,246.08 : x - Step 2: Convert to fraction form
300,121.57/414,136.16 = 179,246.08/x - Step 3: Cross multiply
300,121.57x = 414,136.16 × 179,246.08 - Step 4: Simplify right side
300,121.57x = 74,232,283,559.87 - Step 5: Solve for x
x = 74,232,283,559.87/300,121.57 - Step 6: Final answer
x = 247,340.71
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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.