Finding the Fourth Proportional to 289,596.99, 434,337.17 and 79,256.19
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Solution
The fourth proportional to 289,596.99, 434,337.17 and 79,256.19 is: 118,868.32
Step by Step Solution
- Step 1: Write the proportion equation
289,596.99 : 434,337.17 = 79,256.19 : x - Step 2: Convert to fraction form
289,596.99/434,337.17 = 79,256.19/x - Step 3: Cross multiply
289,596.99x = 434,337.17 × 79,256.19 - Step 4: Simplify right side
289,596.99x = 34,423,908,873.30 - Step 5: Solve for x
x = 34,423,908,873.30/289,596.99 - Step 6: Final answer
x = 118,868.32
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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.