Finding the Fourth Proportional to 110,937.60, 166,407.12 and 40,816.80
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Solution
The fourth proportional to 110,937.60, 166,407.12 and 40,816.80 is: 61,225.46
Step by Step Solution
- Step 1: Write the proportion equation
110,937.60 : 166,407.12 = 40,816.80 : x - Step 2: Convert to fraction form
110,937.60/166,407.12 = 40,816.80/x - Step 3: Cross multiply
110,937.60x = 166,407.12 × 40,816.80 - Step 4: Simplify right side
110,937.60x = 6,792,206,135.62 - Step 5: Solve for x
x = 6,792,206,135.62/110,937.60 - Step 6: Final answer
x = 61,225.46
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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.