Finding the Fourth Proportional to 331,506.31, 457,533.58 and 195,573.53
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Solution
The fourth proportional to 331,506.31, 457,533.58 and 195,573.53 is: 269,923.84
Step by Step Solution
- Step 1: Write the proportion equation
331,506.31 : 457,533.58 = 195,573.53 : x - Step 2: Convert to fraction form
331,506.31/457,533.58 = 195,573.53/x - Step 3: Cross multiply
331,506.31x = 457,533.58 × 195,573.53 - Step 4: Simplify right side
331,506.31x = 89,481,457,334.14 - Step 5: Solve for x
x = 89,481,457,334.14/331,506.31 - Step 6: Final answer
x = 269,923.84
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1.5x scale
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.