Finding the Fourth Proportional to 292,149.26, 438,272.34 and 102,560.42
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Solution
The fourth proportional to 292,149.26, 438,272.34 and 102,560.42 is: 153,857.64
Step by Step Solution
- Step 1: Write the proportion equation
292,149.26 : 438,272.34 = 102,560.42 : x - Step 2: Convert to fraction form
292,149.26/438,272.34 = 102,560.42/x - Step 3: Cross multiply
292,149.26x = 438,272.34 × 102,560.42 - Step 4: Simplify right side
292,149.26x = 44,949,395,264.78 - Step 5: Solve for x
x = 44,949,395,264.78/292,149.26 - Step 6: Final answer
x = 153,857.64
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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.