Finding the Fourth Proportional to 512,246.56, 768,484.02 and 157,296.44
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Solution
The fourth proportional to 512,246.56, 768,484.02 and 157,296.44 is: 235,979.72
Step by Step Solution
- Step 1: Write the proportion equation
512,246.56 : 768,484.02 = 157,296.44 : x - Step 2: Convert to fraction form
512,246.56/768,484.02 = 157,296.44/x - Step 3: Cross multiply
512,246.56x = 768,484.02 × 157,296.44 - Step 4: Simplify right side
512,246.56x = 120,879,800,542.89 - Step 5: Solve for x
x = 120,879,800,542.89/512,246.56 - Step 6: Final answer
x = 235,979.72
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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.