Finding the Fourth Proportional to 351,724.99, 485,380.91 and 190,579.91
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Solution
The fourth proportional to 351,724.99, 485,380.91 and 190,579.91 is: 263,000.51
Step by Step Solution
- Step 1: Write the proportion equation
351,724.99 : 485,380.91 = 190,579.91 : x - Step 2: Convert to fraction form
351,724.99/485,380.91 = 190,579.91/x - Step 3: Cross multiply
351,724.99x = 485,380.91 × 190,579.91 - Step 4: Simplify right side
351,724.99x = 92,503,850,923.33 - Step 5: Solve for x
x = 92,503,850,923.33/351,724.99 - Step 6: Final answer
x = 263,000.51
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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.