Finding the Fourth Proportional to 404,721.36, 607,072.32 and 105,201.99
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Solution
The fourth proportional to 404,721.36, 607,072.32 and 105,201.99 is: 157,800.46
Step by Step Solution
- Step 1: Write the proportion equation
404,721.36 : 607,072.32 = 105,201.99 : x - Step 2: Convert to fraction form
404,721.36/607,072.32 = 105,201.99/x - Step 3: Cross multiply
404,721.36x = 607,072.32 × 105,201.99 - Step 4: Simplify right side
404,721.36x = 63,865,216,137.92 - Step 5: Solve for x
x = 63,865,216,137.92/404,721.36 - Step 6: Final answer
x = 157,800.46
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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.