Finding the Fourth Proportional to 114,261.21, 171,432.90 and 51,076.08
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Solution
The fourth proportional to 114,261.21, 171,432.90 and 51,076.08 is: 76,632.49
Step by Step Solution
- Step 1: Write the proportion equation
114,261.21 : 171,432.90 = 51,076.08 : x - Step 2: Convert to fraction form
114,261.21/171,432.90 = 51,076.08/x - Step 3: Cross multiply
114,261.21x = 171,432.90 × 51,076.08 - Step 4: Simplify right side
114,261.21x = 8,756,120,515.03 - Step 5: Solve for x
x = 8,756,120,515.03/114,261.21 - Step 6: Final answer
x = 76,632.49
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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.