Finding the Fourth Proportional to 292,627.56, 438,909.44 and 198,462.63
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Solution
The fourth proportional to 292,627.56, 438,909.44 and 198,462.63 is: 297,672.31
Step by Step Solution
- Step 1: Write the proportion equation
292,627.56 : 438,909.44 = 198,462.63 : x - Step 2: Convert to fraction form
292,627.56/438,909.44 = 198,462.63/x - Step 3: Cross multiply
292,627.56x = 438,909.44 × 198,462.63 - Step 4: Simplify right side
292,627.56x = 87,107,120,801.91 - Step 5: Solve for x
x = 87,107,120,801.91/292,627.56 - Step 6: Final answer
x = 297,672.31
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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.