Finding the Fourth Proportional to 156,781.24, 235,207.14 and 51,596.44
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Solution
The fourth proportional to 156,781.24, 235,207.14 and 51,596.44 is: 77,406.27
Step by Step Solution
- Step 1: Write the proportion equation
156,781.24 : 235,207.14 = 51,596.44 : x - Step 2: Convert to fraction form
156,781.24/235,207.14 = 51,596.44/x - Step 3: Cross multiply
156,781.24x = 235,207.14 × 51,596.44 - Step 4: Simplify right side
156,781.24x = 12,135,851,086.58 - Step 5: Solve for x
x = 12,135,851,086.58/156,781.24 - Step 6: Final answer
x = 77,406.27
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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.