Finding the Fourth Proportional to 383,237.31, 574,945.00 and 130,519.99
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Solution
The fourth proportional to 383,237.31, 574,945.00 and 130,519.99 is: 195,810.31
Step by Step Solution
- Step 1: Write the proportion equation
383,237.31 : 574,945.00 = 130,519.99 : x - Step 2: Convert to fraction form
383,237.31/574,945.00 = 130,519.99/x - Step 3: Cross multiply
383,237.31x = 574,945.00 × 130,519.99 - Step 4: Simplify right side
383,237.31x = 75,041,816,042.93 - Step 5: Solve for x
x = 75,041,816,042.93/383,237.31 - Step 6: Final answer
x = 195,810.31
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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.