Finding the Fourth Proportional to 283,305.71, 424,859.53 and 83,573.09
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Solution
The fourth proportional to 283,305.71, 424,859.53 and 83,573.09 is: 125,330.42
Step by Step Solution
- Step 1: Write the proportion equation
283,305.71 : 424,859.53 = 83,573.09 : x - Step 2: Convert to fraction form
283,305.71/424,859.53 = 83,573.09/x - Step 3: Cross multiply
283,305.71x = 424,859.53 × 83,573.09 - Step 4: Simplify right side
283,305.71x = 35,506,823,738.05 - Step 5: Solve for x
x = 35,506,823,738.05/283,305.71 - Step 6: Final answer
x = 125,330.42
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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.