Finding the Fourth Proportional to 255,421.44, 383,149.44 and 97,666.56
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Solution
The fourth proportional to 255,421.44, 383,149.44 and 97,666.56 is: 146,506.45
Step by Step Solution
- Step 1: Write the proportion equation
255,421.44 : 383,149.44 = 97,666.56 : x - Step 2: Convert to fraction form
255,421.44/383,149.44 = 97,666.56/x - Step 3: Cross multiply
255,421.44x = 383,149.44 × 97,666.56 - Step 4: Simplify right side
255,421.44x = 37,420,887,770.73 - Step 5: Solve for x
x = 37,420,887,770.73/255,421.44 - Step 6: Final answer
x = 146,506.45
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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.