Finding the Fourth Proportional to 302,418.60, 417,310.56 and 175,102.80
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Solution
The fourth proportional to 302,418.60, 417,310.56 and 175,102.80 is: 241,626.17
Step by Step Solution
- Step 1: Write the proportion equation
302,418.60 : 417,310.56 = 175,102.80 : x - Step 2: Convert to fraction form
302,418.60/417,310.56 = 175,102.80/x - Step 3: Cross multiply
302,418.60x = 417,310.56 × 175,102.80 - Step 4: Simplify right side
302,418.60x = 73,072,247,525.57 - Step 5: Solve for x
x = 73,072,247,525.57/302,418.60 - Step 6: Final answer
x = 241,626.17
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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.