Finding the Fourth Proportional to 189,451.40, 283,802.70 and 122,937.80
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Solution
The fourth proportional to 189,451.40, 283,802.70 and 122,937.80 is: 184,163.75
Step by Step Solution
- Step 1: Write the proportion equation
189,451.40 : 283,802.70 = 122,937.80 : x - Step 2: Convert to fraction form
189,451.40/283,802.70 = 122,937.80/x - Step 3: Cross multiply
189,451.40x = 283,802.70 × 122,937.80 - Step 4: Simplify right side
189,451.40x = 34,890,079,572.06 - Step 5: Solve for x
x = 34,890,079,572.06/189,451.40 - Step 6: Final answer
x = 184,163.75
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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.