Finding the Fourth Proportional to 385,905.24, 532,615.14 and 224,855.73
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Solution
The fourth proportional to 385,905.24, 532,615.14 and 224,855.73 is: 310,339.31
Step by Step Solution
- Step 1: Write the proportion equation
385,905.24 : 532,615.14 = 224,855.73 : x - Step 2: Convert to fraction form
385,905.24/532,615.14 = 224,855.73/x - Step 3: Cross multiply
385,905.24x = 532,615.14 × 224,855.73 - Step 4: Simplify right side
385,905.24x = 119,761,566,113.75 - Step 5: Solve for x
x = 119,761,566,113.75/385,905.24 - Step 6: Final answer
x = 310,339.31
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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.