Finding the Fourth Proportional to 427,002.99, 641,190.64 and 283,131.02
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Solution
The fourth proportional to 427,002.99, 641,190.64 and 283,131.02 is: 425,151.50
Step by Step Solution
- Step 1: Write the proportion equation
427,002.99 : 641,190.64 = 283,131.02 : x - Step 2: Convert to fraction form
427,002.99/641,190.64 = 283,131.02/x - Step 3: Cross multiply
427,002.99x = 641,190.64 × 283,131.02 - Step 4: Simplify right side
427,002.99x = 181,540,959,917.65 - Step 5: Solve for x
x = 181,540,959,917.65/427,002.99 - Step 6: Final answer
x = 425,151.50
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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.