Finding the Fourth Proportional to 351,556.84, 485,144.58 and 190,407.88
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Solution
The fourth proportional to 351,556.84, 485,144.58 and 190,407.88 is: 262,760.78
Step by Step Solution
- Step 1: Write the proportion equation
351,556.84 : 485,144.58 = 190,407.88 : x - Step 2: Convert to fraction form
351,556.84/485,144.58 = 190,407.88/x - Step 3: Cross multiply
351,556.84x = 485,144.58 × 190,407.88 - Step 4: Simplify right side
351,556.84x = 92,375,350,971.29 - Step 5: Solve for x
x = 92,375,350,971.29/351,556.84 - Step 6: Final answer
x = 262,760.78
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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.