Finding the Fourth Proportional to 396,394.84, 547,025.25 and 226,632.52
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Solution
The fourth proportional to 396,394.84, 547,025.25 and 226,632.52 is: 312,753.09
Step by Step Solution
- Step 1: Write the proportion equation
396,394.84 : 547,025.25 = 226,632.52 : x - Step 2: Convert to fraction form
396,394.84/547,025.25 = 226,632.52/x - Step 3: Cross multiply
396,394.84x = 547,025.25 × 226,632.52 - Step 4: Simplify right side
396,394.84x = 123,973,710,911.13 - Step 5: Solve for x
x = 123,973,710,911.13/396,394.84 - Step 6: Final answer
x = 312,753.09
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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.