Finding the Fourth Proportional to 385,265.70, 577,898.55 and 100,955.70
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Solution
The fourth proportional to 385,265.70, 577,898.55 and 100,955.70 is: 151,433.55
Step by Step Solution
- Step 1: Write the proportion equation
385,265.70 : 577,898.55 = 100,955.70 : x - Step 2: Convert to fraction form
385,265.70/577,898.55 = 100,955.70/x - Step 3: Cross multiply
385,265.70x = 577,898.55 × 100,955.70 - Step 4: Simplify right side
385,265.70x = 58,342,152,644.24 - Step 5: Solve for x
x = 58,342,152,644.24/385,265.70 - Step 6: Final answer
x = 151,433.55
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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.