Finding the Fourth Proportional to 313,841.36, 433,121.21 and 176,033.23
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Solution
The fourth proportional to 313,841.36, 433,121.21 and 176,033.23 is: 242,937.14
Step by Step Solution
- Step 1: Write the proportion equation
313,841.36 : 433,121.21 = 176,033.23 : x - Step 2: Convert to fraction form
313,841.36/433,121.21 = 176,033.23/x - Step 3: Cross multiply
313,841.36x = 433,121.21 × 176,033.23 - Step 4: Simplify right side
313,841.36x = 76,243,722,532.04 - Step 5: Solve for x
x = 76,243,722,532.04/313,841.36 - Step 6: Final answer
x = 242,937.14
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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.