Finding the Fourth Proportional to 283,039.68, 424,491.48 and 83,305.84
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Solution
The fourth proportional to 283,039.68, 424,491.48 and 83,305.84 is: 124,938.73
Step by Step Solution
- Step 1: Write the proportion equation
283,039.68 : 424,491.48 = 83,305.84 : x - Step 2: Convert to fraction form
283,039.68/424,491.48 = 83,305.84/x - Step 3: Cross multiply
283,039.68x = 424,491.48 × 83,305.84 - Step 4: Simplify right side
283,039.68x = 35,362,619,314.24 - Step 5: Solve for x
x = 35,362,619,314.24/283,039.68 - Step 6: Final answer
x = 124,938.73
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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.