Finding the Fourth Proportional to 311,345.08, 467,083.28 and 100,966.68
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Solution
The fourth proportional to 311,345.08, 467,083.28 and 100,966.68 is: 151,471.31
Step by Step Solution
- Step 1: Write the proportion equation
311,345.08 : 467,083.28 = 100,966.68 : x - Step 2: Convert to fraction form
311,345.08/467,083.28 = 100,966.68/x - Step 3: Cross multiply
311,345.08x = 467,083.28 × 100,966.68 - Step 4: Simplify right side
311,345.08x = 47,159,848,065.11 - Step 5: Solve for x
x = 47,159,848,065.11/311,345.08 - Step 6: Final answer
x = 151,471.31
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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.