Finding the Fourth Proportional to 352,064.99, 485,849.80 and 190,919.99
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Solution
The fourth proportional to 352,064.99, 485,849.80 and 190,919.99 is: 263,469.65
Step by Step Solution
- Step 1: Write the proportion equation
352,064.99 : 485,849.80 = 190,919.99 : x - Step 2: Convert to fraction form
352,064.99/485,849.80 = 190,919.99/x - Step 3: Cross multiply
352,064.99x = 485,849.80 × 190,919.99 - Step 4: Simplify right side
352,064.99x = 92,758,438,002.90 - Step 5: Solve for x
x = 92,758,438,002.90/352,064.99 - Step 6: Final answer
x = 263,469.65
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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.