Finding the Fourth Proportional to 499,431.84, 748,991.92 and 166,930.08
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Solution
The fourth proportional to 499,431.84, 748,991.92 and 166,930.08 is: 250,343.03
Step by Step Solution
- Step 1: Write the proportion equation
499,431.84 : 748,991.92 = 166,930.08 : x - Step 2: Convert to fraction form
499,431.84/748,991.92 = 166,930.08/x - Step 3: Cross multiply
499,431.84x = 748,991.92 × 166,930.08 - Step 4: Simplify right side
499,431.84x = 125,029,281,124.95 - Step 5: Solve for x
x = 125,029,281,124.95/499,431.84 - Step 6: Final answer
x = 250,343.03
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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.