Finding the Fourth Proportional to 331,587.84, 457,576.92 and 188,347.44
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Solution
The fourth proportional to 331,587.84, 457,576.92 and 188,347.44 is: 259,911.35
Step by Step Solution
- Step 1: Write the proportion equation
331,587.84 : 457,576.92 = 188,347.44 : x - Step 2: Convert to fraction form
331,587.84/457,576.92 = 188,347.44/x - Step 3: Cross multiply
331,587.84x = 457,576.92 × 188,347.44 - Step 4: Simplify right side
331,587.84x = 86,183,441,485.08 - Step 5: Solve for x
x = 86,183,441,485.08/331,587.84 - Step 6: Final answer
x = 259,911.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.