Finding the Fourth Proportional to 313,273.65, 432,318.14 and 170,033.76
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Solution
The fourth proportional to 313,273.65, 432,318.14 and 170,033.76 is: 234,646.86
Step by Step Solution
- Step 1: Write the proportion equation
313,273.65 : 432,318.14 = 170,033.76 : x - Step 2: Convert to fraction form
313,273.65/432,318.14 = 170,033.76/x - Step 3: Cross multiply
313,273.65x = 432,318.14 × 170,033.76 - Step 4: Simplify right side
313,273.65x = 73,508,678,010.24 - Step 5: Solve for x
x = 73,508,678,010.24/313,273.65 - Step 6: Final answer
x = 234,646.86
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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.