Finding the Fourth Proportional to 664,234.80, 996,352.20 and 214,988.55
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Solution
The fourth proportional to 664,234.80, 996,352.20 and 214,988.55 is: 322,482.83
Step by Step Solution
- Step 1: Write the proportion equation
664,234.80 : 996,352.20 = 214,988.55 : x - Step 2: Convert to fraction form
664,234.80/996,352.20 = 214,988.55/x - Step 3: Cross multiply
664,234.80x = 996,352.20 × 214,988.55 - Step 4: Simplify right side
664,234.80x = 214,204,314,767.31 - Step 5: Solve for x
x = 214,204,314,767.31/664,234.80 - Step 6: Final answer
x = 322,482.83
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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.