Finding the Fourth Proportional to 264,336.91, 364,775.12 and 143,475.60
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Solution
The fourth proportional to 264,336.91, 364,775.12 and 143,475.60 is: 197,990.99
Step by Step Solution
- Step 1: Write the proportion equation
264,336.91 : 364,775.12 = 143,475.60 : x - Step 2: Convert to fraction form
264,336.91/364,775.12 = 143,475.60/x - Step 3: Cross multiply
264,336.91x = 364,775.12 × 143,475.60 - Step 4: Simplify right side
264,336.91x = 52,336,327,721.37 - Step 5: Solve for x
x = 52,336,327,721.37/264,336.91 - Step 6: Final answer
x = 197,990.99
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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.