Finding the Fourth Proportional to 189,278.78, 283,977.30 and 56,159.70
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Solution
The fourth proportional to 189,278.78, 283,977.30 and 56,159.70 is: 84,257.09
Step by Step Solution
- Step 1: Write the proportion equation
189,278.78 : 283,977.30 = 56,159.70 : x - Step 2: Convert to fraction form
189,278.78/283,977.30 = 56,159.70/x - Step 3: Cross multiply
189,278.78x = 283,977.30 × 56,159.70 - Step 4: Simplify right side
189,278.78x = 15,948,079,974.81 - Step 5: Solve for x
x = 15,948,079,974.81/189,278.78 - Step 6: Final answer
x = 84,257.09
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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.