Finding the Fourth Proportional to 264,071.56, 364,418.94 and 143,212.84
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Solution
The fourth proportional to 264,071.56, 364,418.94 and 143,212.84 is: 197,633.82
Step by Step Solution
- Step 1: Write the proportion equation
264,071.56 : 364,418.94 = 143,212.84 : x - Step 2: Convert to fraction form
264,071.56/364,418.94 = 143,212.84/x - Step 3: Cross multiply
264,071.56x = 364,418.94 × 143,212.84 - Step 4: Simplify right side
264,071.56x = 52,189,471,347.19 - Step 5: Solve for x
x = 52,189,471,347.19/264,071.56 - Step 6: Final answer
x = 197,633.82
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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.