Finding the Fourth Proportional to 615,470.75, 849,378.98 and 347,198.75
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Solution
The fourth proportional to 615,470.75, 849,378.98 and 347,198.75 is: 479,150.83
Step by Step Solution
- Step 1: Write the proportion equation
615,470.75 : 849,378.98 = 347,198.75 : x - Step 2: Convert to fraction form
615,470.75/849,378.98 = 347,198.75/x - Step 3: Cross multiply
615,470.75x = 849,378.98 × 347,198.75 - Step 4: Simplify right side
615,470.75x = 294,903,318,396.28 - Step 5: Solve for x
x = 294,903,318,396.28/615,470.75 - Step 6: Final answer
x = 479,150.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.