Finding the Fourth Proportional to 361,533.68, 498,946.36 and 200,439.26
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Solution
The fourth proportional to 361,533.68, 498,946.36 and 200,439.26 is: 276,622.75
Step by Step Solution
- Step 1: Write the proportion equation
361,533.68 : 498,946.36 = 200,439.26 : x - Step 2: Convert to fraction form
361,533.68/498,946.36 = 200,439.26/x - Step 3: Cross multiply
361,533.68x = 498,946.36 × 200,439.26 - Step 4: Simplify right side
361,533.68x = 100,008,439,178.09 - Step 5: Solve for x
x = 100,008,439,178.09/361,533.68 - Step 6: Final answer
x = 276,622.75
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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.