Finding the Fourth Proportional to 189,130.14, 283,699.26 and 56,013.12
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Solution
The fourth proportional to 189,130.14, 283,699.26 and 56,013.12 is: 84,020.88
Step by Step Solution
- Step 1: Write the proportion equation
189,130.14 : 283,699.26 = 56,013.12 : x - Step 2: Convert to fraction form
189,130.14/283,699.26 = 56,013.12/x - Step 3: Cross multiply
189,130.14x = 283,699.26 × 56,013.12 - Step 4: Simplify right side
189,130.14x = 15,890,880,694.29 - Step 5: Solve for x
x = 15,890,880,694.29/189,130.14 - Step 6: Final answer
x = 84,020.88
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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.