Finding the Fourth Proportional to 286,372.35, 395,236.95 and 206,065.71
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Solution
The fourth proportional to 286,372.35, 395,236.95 and 206,065.71 is: 284,401.70
Step by Step Solution
- Step 1: Write the proportion equation
286,372.35 : 395,236.95 = 206,065.71 : x - Step 2: Convert to fraction form
286,372.35/395,236.95 = 206,065.71/x - Step 3: Cross multiply
286,372.35x = 395,236.95 × 206,065.71 - Step 4: Simplify right side
286,372.35x = 81,444,782,719.98 - Step 5: Solve for x
x = 81,444,782,719.98/286,372.35 - Step 6: Final answer
x = 284,401.70
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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.