Finding the Fourth Proportional to 351,554.99, 485,145.68 and 190,409.99
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Solution
The fourth proportional to 351,554.99, 485,145.68 and 190,409.99 is: 262,765.67
Step by Step Solution
- Step 1: Write the proportion equation
351,554.99 : 485,145.68 = 190,409.99 : x - Step 2: Convert to fraction form
351,554.99/485,145.68 = 190,409.99/x - Step 3: Cross multiply
351,554.99x = 485,145.68 × 190,409.99 - Step 4: Simplify right side
351,554.99x = 92,376,580,699.56 - Step 5: Solve for x
x = 92,376,580,699.56/351,554.99 - Step 6: Final answer
x = 262,765.67
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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.