Finding the Fourth Proportional to 538,423.08, 743,028.84 and 296,714.33
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Solution
The fourth proportional to 538,423.08, 743,028.84 and 296,714.33 is: 409,468.52
Step by Step Solution
- Step 1: Write the proportion equation
538,423.08 : 743,028.84 = 296,714.33 : x - Step 2: Convert to fraction form
538,423.08/743,028.84 = 296,714.33/x - Step 3: Cross multiply
538,423.08x = 743,028.84 × 296,714.33 - Step 4: Simplify right side
538,423.08x = 220,467,300,716.13 - Step 5: Solve for x
x = 220,467,300,716.13/538,423.08 - Step 6: Final answer
x = 409,468.52
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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.