Finding the Fourth Proportional to 355,963.23, 533,930.99 and 131,226.44
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Solution
The fourth proportional to 355,963.23, 533,930.99 and 131,226.44 is: 196,834.54
Step by Step Solution
- Step 1: Write the proportion equation
355,963.23 : 533,930.99 = 131,226.44 : x - Step 2: Convert to fraction form
355,963.23/533,930.99 = 131,226.44/x - Step 3: Cross multiply
355,963.23x = 533,930.99 × 131,226.44 - Step 4: Simplify right side
355,963.23x = 70,065,859,697.59 - Step 5: Solve for x
x = 70,065,859,697.59/355,963.23 - Step 6: Final answer
x = 196,834.54
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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.