Finding the Fourth Proportional to 202,272.40, 303,445.05 and 83,955.70
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Solution
The fourth proportional to 202,272.40, 303,445.05 and 83,955.70 is: 125,948.68
Step by Step Solution
- Step 1: Write the proportion equation
202,272.40 : 303,445.05 = 83,955.70 : x - Step 2: Convert to fraction form
202,272.40/303,445.05 = 83,955.70/x - Step 3: Cross multiply
202,272.40x = 303,445.05 × 83,955.70 - Step 4: Simplify right side
202,272.40x = 25,475,941,584.29 - Step 5: Solve for x
x = 25,475,941,584.29/202,272.40 - Step 6: Final answer
x = 125,948.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.