Finding the Fourth Proportional to 368,339.52, 552,383.68 and 143,682.24
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Solution
The fourth proportional to 368,339.52, 552,383.68 and 143,682.24 is: 215,474.37
Step by Step Solution
- Step 1: Write the proportion equation
368,339.52 : 552,383.68 = 143,682.24 : x - Step 2: Convert to fraction form
368,339.52/552,383.68 = 143,682.24/x - Step 3: Cross multiply
368,339.52x = 552,383.68 × 143,682.24 - Step 4: Simplify right side
368,339.52x = 79,367,724,481.84 - Step 5: Solve for x
x = 79,367,724,481.84/368,339.52 - Step 6: Final answer
x = 215,474.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.