Finding the Fourth Proportional to 225,013.20, 337,558.68 and 91,965.84
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Solution
The fourth proportional to 225,013.20, 337,558.68 and 91,965.84 is: 137,964.65
Step by Step Solution
- Step 1: Write the proportion equation
225,013.20 : 337,558.68 = 91,965.84 : x - Step 2: Convert to fraction form
225,013.20/337,558.68 = 91,965.84/x - Step 3: Cross multiply
225,013.20x = 337,558.68 × 91,965.84 - Step 4: Simplify right side
225,013.20x = 31,043,867,555.49 - Step 5: Solve for x
x = 31,043,867,555.49/225,013.20 - Step 6: Final answer
x = 137,964.65
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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.