Finding the Fourth Proportional to 403,437.75, 605,236.48 and 115,251.88
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Solution
The fourth proportional to 403,437.75, 605,236.48 and 115,251.88 is: 172,900.63
Step by Step Solution
- Step 1: Write the proportion equation
403,437.75 : 605,236.48 = 115,251.88 : x - Step 2: Convert to fraction form
403,437.75/605,236.48 = 115,251.88/x - Step 3: Cross multiply
403,437.75x = 605,236.48 × 115,251.88 - Step 4: Simplify right side
403,437.75x = 69,754,641,011.65 - Step 5: Solve for x
x = 69,754,641,011.65/403,437.75 - Step 6: Final answer
x = 172,900.63
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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.