Finding the Fourth Proportional to 351,525.78, 485,105.96 and 190,381.01
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Solution
The fourth proportional to 351,525.78, 485,105.96 and 190,381.01 is: 262,725.99
Step by Step Solution
- Step 1: Write the proportion equation
351,525.78 : 485,105.96 = 190,381.01 : x - Step 2: Convert to fraction form
351,525.78/485,105.96 = 190,381.01/x - Step 3: Cross multiply
351,525.78x = 485,105.96 × 190,381.01 - Step 4: Simplify right side
351,525.78x = 92,354,960,196.29 - Step 5: Solve for x
x = 92,354,960,196.29/351,525.78 - Step 6: Final answer
x = 262,725.99
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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.