Finding the Fourth Proportional to 150,276.26, 207,387.70 and 83,208.26
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Solution
The fourth proportional to 150,276.26, 207,387.70 and 83,208.26 is: 114,830.98
Step by Step Solution
- Step 1: Write the proportion equation
150,276.26 : 207,387.70 = 83,208.26 : x - Step 2: Convert to fraction form
150,276.26/207,387.70 = 83,208.26/x - Step 3: Cross multiply
150,276.26x = 207,387.70 × 83,208.26 - Step 4: Simplify right side
150,276.26x = 17,256,369,662.40 - Step 5: Solve for x
x = 17,256,369,662.40/150,276.26 - Step 6: Final answer
x = 114,830.98
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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.