Finding the Fourth Proportional to 568,208.97, 784,132.96 and 310,087.95
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Solution
The fourth proportional to 568,208.97, 784,132.96 and 310,087.95 is: 427,923.88
Step by Step Solution
- Step 1: Write the proportion equation
568,208.97 : 784,132.96 = 310,087.95 : x - Step 2: Convert to fraction form
568,208.97/784,132.96 = 310,087.95/x - Step 3: Cross multiply
568,208.97x = 784,132.96 × 310,087.95 - Step 4: Simplify right side
568,208.97x = 243,150,184,139.65 - Step 5: Solve for x
x = 243,150,184,139.65/568,208.97 - Step 6: Final answer
x = 427,923.88
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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.