Finding the Fourth Proportional to 391,270.24, 587,073.84 and 211,319.56
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Solution
The fourth proportional to 391,270.24, 587,073.84 and 211,319.56 is: 317,070.33
Step by Step Solution
- Step 1: Write the proportion equation
391,270.24 : 587,073.84 = 211,319.56 : x - Step 2: Convert to fraction form
391,270.24/587,073.84 = 211,319.56/x - Step 3: Cross multiply
391,270.24x = 587,073.84 × 211,319.56 - Step 4: Simplify right side
391,270.24x = 124,060,185,556.31 - Step 5: Solve for x
x = 124,060,185,556.31/391,270.24 - Step 6: Final answer
x = 317,070.33
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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.