Finding the Fourth Proportional to 402,584.31, 603,879.05 and 118,273.70
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Solution
The fourth proportional to 402,584.31, 603,879.05 and 118,273.70 is: 177,411.31
Step by Step Solution
- Step 1: Write the proportion equation
402,584.31 : 603,879.05 = 118,273.70 : x - Step 2: Convert to fraction form
402,584.31/603,879.05 = 118,273.70/x - Step 3: Cross multiply
402,584.31x = 603,879.05 × 118,273.70 - Step 4: Simplify right side
402,584.31x = 71,423,010,514.31 - Step 5: Solve for x
x = 71,423,010,514.31/402,584.31 - Step 6: Final answer
x = 177,411.31
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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.