Finding the Fourth Proportional to 361,735.13, 498,619.19 and 285,129.99
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Solution
The fourth proportional to 361,735.13, 498,619.19 and 285,129.99 is: 393,025.93
Step by Step Solution
- Step 1: Write the proportion equation
361,735.13 : 498,619.19 = 285,129.99 : x - Step 2: Convert to fraction form
361,735.13/498,619.19 = 285,129.99/x - Step 3: Cross multiply
361,735.13x = 498,619.19 × 285,129.99 - Step 4: Simplify right side
361,735.13x = 142,171,285,371.33 - Step 5: Solve for x
x = 142,171,285,371.33/361,735.13 - Step 6: Final answer
x = 393,025.93
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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.