Finding the Fourth Proportional to 189,379.95, 284,113.66 and 56,257.26
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Solution
The fourth proportional to 189,379.95, 284,113.66 and 56,257.26 is: 84,398.88
Step by Step Solution
- Step 1: Write the proportion equation
189,379.95 : 284,113.66 = 56,257.26 : x - Step 2: Convert to fraction form
189,379.95/284,113.66 = 56,257.26/x - Step 3: Cross multiply
189,379.95x = 284,113.66 × 56,257.26 - Step 4: Simplify right side
189,379.95x = 15,983,456,040.17 - Step 5: Solve for x
x = 15,983,456,040.17/189,379.95 - Step 6: Final answer
x = 84,398.88
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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.