Finding the Fourth Proportional to 491,719.14, 737,202.06 and 154,564.74
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Solution
The fourth proportional to 491,719.14, 737,202.06 and 154,564.74 is: 231,728.72
Step by Step Solution
- Step 1: Write the proportion equation
491,719.14 : 737,202.06 = 154,564.74 : x - Step 2: Convert to fraction form
491,719.14/737,202.06 = 154,564.74/x - Step 3: Cross multiply
491,719.14x = 737,202.06 × 154,564.74 - Step 4: Simplify right side
491,719.14x = 113,945,444,731.36 - Step 5: Solve for x
x = 113,945,444,731.36/491,719.14 - Step 6: Final answer
x = 231,728.72
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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.