Finding the Fourth Proportional to 664,406.58, 996,768.63 and 215,127.95
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Solution
The fourth proportional to 664,406.58, 996,768.63 and 215,127.95 is: 322,743.33
Step by Step Solution
- Step 1: Write the proportion equation
664,406.58 : 996,768.63 = 215,127.95 : x - Step 2: Convert to fraction form
664,406.58/996,768.63 = 215,127.95/x - Step 3: Cross multiply
664,406.58x = 996,768.63 × 215,127.95 - Step 4: Simplify right side
664,406.58x = 214,432,794,488.13 - Step 5: Solve for x
x = 214,432,794,488.13/664,406.58 - Step 6: Final answer
x = 322,743.33
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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.