Finding the Fourth Proportional to 292,645.41, 438,629.27 and 134,542.05
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Solution
The fourth proportional to 292,645.41, 438,629.27 and 134,542.05 is: 201,657.29
Step by Step Solution
- Step 1: Write the proportion equation
292,645.41 : 438,629.27 = 134,542.05 : x - Step 2: Convert to fraction form
292,645.41/438,629.27 = 134,542.05/x - Step 3: Cross multiply
292,645.41x = 438,629.27 × 134,542.05 - Step 4: Simplify right side
292,645.41x = 59,014,080,503.09 - Step 5: Solve for x
x = 59,014,080,503.09/292,645.41 - Step 6: Final answer
x = 201,657.29
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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.