Finding the Fourth Proportional to 116,481, 174,721.50 and 28,929
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Solution
The fourth proportional to 116,481, 174,721.50 and 28,929 is: 43,393.50
Step by Step Solution
- Step 1: Write the proportion equation
116,481 : 174,721.50 = 28,929 : x - Step 2: Convert to fraction form
116,481/174,721.50 = 28,929/x - Step 3: Cross multiply
116,481x = 174,721.50 × 28,929 - Step 4: Simplify right side
116,481x = 5,054,518,273.50 - Step 5: Solve for x
x = 5,054,518,273.50/116,481 - Step 6: Final answer
x = 43,393.50
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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.