Finding the Fourth Proportional to 76,152.34, 114,261.18 and 29,438.02
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Solution
The fourth proportional to 76,152.34, 114,261.18 and 29,438.02 is: 44,169.66
Step by Step Solution
- Step 1: Write the proportion equation
76,152.34 : 114,261.18 = 29,438.02 : x - Step 2: Convert to fraction form
76,152.34/114,261.18 = 29,438.02/x - Step 3: Cross multiply
76,152.34x = 114,261.18 × 29,438.02 - Step 4: Simplify right side
76,152.34x = 3,363,622,902.06 - Step 5: Solve for x
x = 3,363,622,902.06/76,152.34 - Step 6: Final answer
x = 44,169.66
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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.