Finding the Fourth Proportional to 393,995.53, 591,132.93 and 194,455.99
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Solution
The fourth proportional to 393,995.53, 591,132.93 and 194,455.99 is: 291,752.90
Step by Step Solution
- Step 1: Write the proportion equation
393,995.53 : 591,132.93 = 194,455.99 : x - Step 2: Convert to fraction form
393,995.53/591,132.93 = 194,455.99/x - Step 3: Cross multiply
393,995.53x = 591,132.93 × 194,455.99 - Step 4: Simplify right side
393,995.53x = 114,949,339,124.75 - Step 5: Solve for x
x = 114,949,339,124.75/393,995.53 - Step 6: Final answer
x = 291,752.90
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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.