Finding the Fourth Proportional to 619,496.58, 928,873.17 and 214,555.62
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Solution
The fourth proportional to 619,496.58, 928,873.17 and 214,555.62 is: 321,704.70
Step by Step Solution
- Step 1: Write the proportion equation
619,496.58 : 928,873.17 = 214,555.62 : x - Step 2: Convert to fraction form
619,496.58/928,873.17 = 214,555.62/x - Step 3: Cross multiply
619,496.58x = 928,873.17 × 214,555.62 - Step 4: Simplify right side
619,496.58x = 199,294,958,890.72 - Step 5: Solve for x
x = 199,294,958,890.72/619,496.58 - Step 6: Final answer
x = 321,704.70
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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.