Finding the Fourth Proportional to 283,257.68, 390,052.44 and 276,971.12
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Solution
The fourth proportional to 283,257.68, 390,052.44 and 276,971.12 is: 381,395.70
Step by Step Solution
- Step 1: Write the proportion equation
283,257.68 : 390,052.44 = 276,971.12 : x - Step 2: Convert to fraction form
283,257.68/390,052.44 = 276,971.12/x - Step 3: Cross multiply
283,257.68x = 390,052.44 × 276,971.12 - Step 4: Simplify right side
283,257.68x = 108,033,261,165.53 - Step 5: Solve for x
x = 108,033,261,165.53/283,257.68 - Step 6: Final answer
x = 381,395.70
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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.