Finding the Fourth Proportional to 76,288.62, 114,445.19 and 36,848.71
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Solution
The fourth proportional to 76,288.62, 114,445.19 and 36,848.71 is: 55,278.99
Step by Step Solution
- Step 1: Write the proportion equation
76,288.62 : 114,445.19 = 36,848.71 : x - Step 2: Convert to fraction form
76,288.62/114,445.19 = 36,848.71/x - Step 3: Cross multiply
76,288.62x = 114,445.19 × 36,848.71 - Step 4: Simplify right side
76,288.62x = 4,217,157,617.20 - Step 5: Solve for x
x = 4,217,157,617.20/76,288.62 - Step 6: Final answer
x = 55,278.99
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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.