Finding the Fourth Proportional to 264,421.14, 396,237.84 and 146,126.28
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Solution
The fourth proportional to 264,421.14, 396,237.84 and 146,126.28 is: 218,971.76
Step by Step Solution
- Step 1: Write the proportion equation
264,421.14 : 396,237.84 = 146,126.28 : x - Step 2: Convert to fraction form
264,421.14/396,237.84 = 146,126.28/x - Step 3: Cross multiply
264,421.14x = 396,237.84 × 146,126.28 - Step 4: Simplify right side
264,421.14x = 57,900,761,554.44 - Step 5: Solve for x
x = 57,900,761,554.44/264,421.14 - Step 6: Final answer
x = 218,971.76
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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.