Finding the Fourth Proportional to 505,519.24, 697,616.58 and 279,179.32
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Solution
The fourth proportional to 505,519.24, 697,616.58 and 279,179.32 is: 385,267.48
Step by Step Solution
- Step 1: Write the proportion equation
505,519.24 : 697,616.58 = 279,179.32 : x - Step 2: Convert to fraction form
505,519.24/697,616.58 = 279,179.32/x - Step 3: Cross multiply
505,519.24x = 697,616.58 × 279,179.32 - Step 4: Simplify right side
505,519.24x = 194,760,122,425.13 - Step 5: Solve for x
x = 194,760,122,425.13/505,519.24 - Step 6: Final answer
x = 385,267.48
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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.