Finding the Fourth Proportional to 331,080.65, 457,030.12 and 223,795.99
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Solution
The fourth proportional to 331,080.65, 457,030.12 and 223,795.99 is: 308,932.31
Step by Step Solution
- Step 1: Write the proportion equation
331,080.65 : 457,030.12 = 223,795.99 : x - Step 2: Convert to fraction form
331,080.65/457,030.12 = 223,795.99/x - Step 3: Cross multiply
331,080.65x = 457,030.12 × 223,795.99 - Step 4: Simplify right side
331,080.65x = 102,281,510,124.70 - Step 5: Solve for x
x = 102,281,510,124.70/331,080.65 - Step 6: Final answer
x = 308,932.31
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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.