Finding the Fourth Proportional to 185,583.97, 278,373.52 and 45,343.81
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Solution
The fourth proportional to 185,583.97, 278,373.52 and 45,343.81 is: 68,015.12
Step by Step Solution
- Step 1: Write the proportion equation
185,583.97 : 278,373.52 = 45,343.81 : x - Step 2: Convert to fraction form
185,583.97/278,373.52 = 45,343.81/x - Step 3: Cross multiply
185,583.97x = 278,373.52 × 45,343.81 - Step 4: Simplify right side
185,583.97x = 12,622,515,999.91 - Step 5: Solve for x
x = 12,622,515,999.91/185,583.97 - Step 6: Final answer
x = 68,015.12
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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.