Finding the Fourth Proportional to 311,802.56, 430,291.68 and 184,474.88
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Solution
The fourth proportional to 311,802.56, 430,291.68 and 184,474.88 is: 254,577.79
Step by Step Solution
- Step 1: Write the proportion equation
311,802.56 : 430,291.68 = 184,474.88 : x - Step 2: Convert to fraction form
311,802.56/430,291.68 = 184,474.88/x - Step 3: Cross multiply
311,802.56x = 430,291.68 × 184,474.88 - Step 4: Simplify right side
311,802.56x = 79,378,006,033.00 - Step 5: Solve for x
x = 79,378,006,033.00/311,802.56 - Step 6: Final answer
x = 254,577.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.