Finding the Fourth Proportional to 331,757.18, 457,811.33 and 186,558.84
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Solution
The fourth proportional to 331,757.18, 457,811.33 and 186,558.84 is: 257,443.56
Step by Step Solution
- Step 1: Write the proportion equation
331,757.18 : 457,811.33 = 186,558.84 : x - Step 2: Convert to fraction form
331,757.18/457,811.33 = 186,558.84/x - Step 3: Cross multiply
331,757.18x = 457,811.33 × 186,558.84 - Step 4: Simplify right side
331,757.18x = 85,408,748,841.00 - Step 5: Solve for x
x = 85,408,748,841.00/331,757.18 - Step 6: Final answer
x = 257,443.56
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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.