Finding the Fourth Proportional to 475,971.99, 713,960.21 and 160,431.63
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Solution
The fourth proportional to 475,971.99, 713,960.21 and 160,431.63 is: 240,648.19
Step by Step Solution
- Step 1: Write the proportion equation
475,971.99 : 713,960.21 = 160,431.63 : x - Step 2: Convert to fraction form
475,971.99/713,960.21 = 160,431.63/x - Step 3: Cross multiply
475,971.99x = 713,960.21 × 160,431.63 - Step 4: Simplify right side
475,971.99x = 114,541,800,245.44 - Step 5: Solve for x
x = 114,541,800,245.44/475,971.99 - Step 6: Final answer
x = 240,648.19
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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.