Finding the Fourth Proportional to 353,249.80, 529,874.70 and 329,921.80
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Solution
The fourth proportional to 353,249.80, 529,874.70 and 329,921.80 is: 494,882.70
Step by Step Solution
- Step 1: Write the proportion equation
353,249.80 : 529,874.70 = 329,921.80 : x - Step 2: Convert to fraction form
353,249.80/529,874.70 = 329,921.80/x - Step 3: Cross multiply
353,249.80x = 529,874.70 × 329,921.80 - Step 4: Simplify right side
353,249.80x = 174,817,214,798.46 - Step 5: Solve for x
x = 174,817,214,798.46/353,249.80 - Step 6: Final answer
x = 494,882.70
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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.