Finding the Fourth Proportional to 396,028.08, 546,325.56 and 226,217.52
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Solution
The fourth proportional to 396,028.08, 546,325.56 and 226,217.52 is: 312,069.82
Step by Step Solution
- Step 1: Write the proportion equation
396,028.08 : 546,325.56 = 226,217.52 : x - Step 2: Convert to fraction form
396,028.08/546,325.56 = 226,217.52/x - Step 3: Cross multiply
396,028.08x = 546,325.56 × 226,217.52 - Step 4: Simplify right side
396,028.08x = 123,588,413,295.81 - Step 5: Solve for x
x = 123,588,413,295.81/396,028.08 - Step 6: Final answer
x = 312,069.82
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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.