Finding the Fourth Proportional to 255,824.10, 383,816.34 and 106,135.02
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Solution
The fourth proportional to 255,824.10, 383,816.34 and 106,135.02 is: 159,235.80
Step by Step Solution
- Step 1: Write the proportion equation
255,824.10 : 383,816.34 = 106,135.02 : x - Step 2: Convert to fraction form
255,824.10/383,816.34 = 106,135.02/x - Step 3: Cross multiply
255,824.10x = 383,816.34 × 106,135.02 - Step 4: Simplify right side
255,824.10x = 40,736,354,922.23 - Step 5: Solve for x
x = 40,736,354,922.23/255,824.10 - Step 6: Final answer
x = 159,235.80
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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.