Finding the Fourth Proportional to 282,961.25, 390,542.00 and 162,183.50
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Solution
The fourth proportional to 282,961.25, 390,542.00 and 162,183.50 is: 223,845.02
Step by Step Solution
- Step 1: Write the proportion equation
282,961.25 : 390,542.00 = 162,183.50 : x - Step 2: Convert to fraction form
282,961.25/390,542.00 = 162,183.50/x - Step 3: Cross multiply
282,961.25x = 390,542.00 × 162,183.50 - Step 4: Simplify right side
282,961.25x = 63,339,465,693.37 - Step 5: Solve for x
x = 63,339,465,693.37/282,961.25 - Step 6: Final answer
x = 223,845.02
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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.