Finding the Fourth Proportional to 415,272.24, 622,804.68 and 134,869.68
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Solution
The fourth proportional to 415,272.24, 622,804.68 and 134,869.68 is: 202,270.85
Step by Step Solution
- Step 1: Write the proportion equation
415,272.24 : 622,804.68 = 134,869.68 : x - Step 2: Convert to fraction form
415,272.24/622,804.68 = 134,869.68/x - Step 3: Cross multiply
415,272.24x = 622,804.68 × 134,869.68 - Step 4: Simplify right side
415,272.24x = 83,997,467,894.10 - Step 5: Solve for x
x = 83,997,467,894.10/415,272.24 - Step 6: Final answer
x = 202,270.85
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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.