Finding the Fourth Proportional to 324,005.70, 485,425.35 and 264,519.30
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Solution
The fourth proportional to 324,005.70, 485,425.35 and 264,519.30 is: 396,302.82
Step by Step Solution
- Step 1: Write the proportion equation
324,005.70 : 485,425.35 = 264,519.30 : x - Step 2: Convert to fraction form
324,005.70/485,425.35 = 264,519.30/x - Step 3: Cross multiply
324,005.70x = 485,425.35 × 264,519.30 - Step 4: Simplify right side
324,005.70x = 128,404,373,784.26 - Step 5: Solve for x
x = 128,404,373,784.26/324,005.70 - Step 6: Final answer
x = 396,302.82
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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.