Finding the Fourth Proportional to 388,491.26, 536,142.58 and 235,544.10
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Solution
The fourth proportional to 388,491.26, 536,142.58 and 235,544.10 is: 325,065.80
Step by Step Solution
- Step 1: Write the proportion equation
388,491.26 : 536,142.58 = 235,544.10 : x - Step 2: Convert to fraction form
388,491.26/536,142.58 = 235,544.10/x - Step 3: Cross multiply
388,491.26x = 536,142.58 × 235,544.10 - Step 4: Simplify right side
388,491.26x = 126,285,221,208.59 - Step 5: Solve for x
x = 126,285,221,208.59/388,491.26 - Step 6: Final answer
x = 325,065.80
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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.