Finding the Fourth Proportional to 499,468.99, 688,325.50 and 361,414.27
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Solution
The fourth proportional to 499,468.99, 688,325.50 and 361,414.27 is: 498,070.28
Step by Step Solution
- Step 1: Write the proportion equation
499,468.99 : 688,325.50 = 361,414.27 : x - Step 2: Convert to fraction form
499,468.99/688,325.50 = 361,414.27/x - Step 3: Cross multiply
499,468.99x = 688,325.50 × 361,414.27 - Step 4: Simplify right side
499,468.99x = 248,770,658,104.89 - Step 5: Solve for x
x = 248,770,658,104.89/499,468.99 - Step 6: Final answer
x = 498,070.28
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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.