Finding the Fourth Proportional to 568,102.36, 784,265.32 and 353,311.62
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Solution
The fourth proportional to 568,102.36, 784,265.32 and 353,311.62 is: 487,746.70
Step by Step Solution
- Step 1: Write the proportion equation
568,102.36 : 784,265.32 = 353,311.62 : x - Step 2: Convert to fraction form
568,102.36/784,265.32 = 353,311.62/x - Step 3: Cross multiply
568,102.36x = 784,265.32 × 353,311.62 - Step 4: Simplify right side
568,102.36x = 277,090,050,719.02 - Step 5: Solve for x
x = 277,090,050,719.02/568,102.36 - Step 6: Final answer
x = 487,746.70
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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.