Finding the Fourth Proportional to 361,825.74, 498,742.79 and 285,219.99
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Solution
The fourth proportional to 361,825.74, 498,742.79 and 285,219.99 is: 393,148.96
Step by Step Solution
- Step 1: Write the proportion equation
361,825.74 : 498,742.79 = 285,219.99 : x - Step 2: Convert to fraction form
361,825.74/498,742.79 = 285,219.99/x - Step 3: Cross multiply
361,825.74x = 498,742.79 × 285,219.99 - Step 4: Simplify right side
361,825.74x = 142,251,412,150.27 - Step 5: Solve for x
x = 142,251,412,150.27/361,825.74 - Step 6: Final answer
x = 393,148.96
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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.