Finding the Fourth Proportional to 524,934.08, 787,351.20 and 209,306.56
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Solution
The fourth proportional to 524,934.08, 787,351.20 and 209,306.56 is: 313,939.94
Step by Step Solution
- Step 1: Write the proportion equation
524,934.08 : 787,351.20 = 209,306.56 : x - Step 2: Convert to fraction form
524,934.08/787,351.20 = 209,306.56/x - Step 3: Cross multiply
524,934.08x = 787,351.20 × 209,306.56 - Step 4: Simplify right side
524,934.08x = 164,797,771,183.87 - Step 5: Solve for x
x = 164,797,771,183.87/524,934.08 - Step 6: Final answer
x = 313,939.94
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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.