Finding the Fourth Proportional to 664,404.14, 996,764.95 and 215,125.49
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Solution
The fourth proportional to 664,404.14, 996,764.95 and 215,125.49 is: 322,739.64
Step by Step Solution
- Step 1: Write the proportion equation
664,404.14 : 996,764.95 = 215,125.49 : x - Step 2: Convert to fraction form
664,404.14/996,764.95 = 215,125.49/x - Step 3: Cross multiply
664,404.14x = 996,764.95 × 215,125.49 - Step 4: Simplify right side
664,404.14x = 214,429,551,044.40 - Step 5: Solve for x
x = 214,429,551,044.40/664,404.14 - Step 6: Final answer
x = 322,739.64
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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.