Finding the Fourth Proportional to 308,848.16, 462,927.99 and 140,115.44
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Solution
The fourth proportional to 308,848.16, 462,927.99 and 140,115.44 is: 210,016.98
Step by Step Solution
- Step 1: Write the proportion equation
308,848.16 : 462,927.99 = 140,115.44 : x - Step 2: Convert to fraction form
308,848.16/462,927.99 = 140,115.44/x - Step 3: Cross multiply
308,848.16x = 462,927.99 × 140,115.44 - Step 4: Simplify right side
308,848.16x = 64,863,359,007.17 - Step 5: Solve for x
x = 64,863,359,007.17/308,848.16 - Step 6: Final answer
x = 210,016.98
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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.