Finding the Fourth Proportional to 568,216.24, 784,154.97 and 310,109.84
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Solution
The fourth proportional to 568,216.24, 784,154.97 and 310,109.84 is: 427,960.62
Step by Step Solution
- Step 1: Write the proportion equation
568,216.24 : 784,154.97 = 310,109.84 : x - Step 2: Convert to fraction form
568,216.24/784,154.97 = 310,109.84/x - Step 3: Cross multiply
568,216.24x = 784,154.97 × 310,109.84 - Step 4: Simplify right side
568,216.24x = 243,174,172,281.91 - Step 5: Solve for x
x = 243,174,172,281.91/568,216.24 - Step 6: Final answer
x = 427,960.62
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1.5x scale
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.