Finding the Fourth Proportional to 128,892.66, 193,292.85 and 44,630.19
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Solution
The fourth proportional to 128,892.66, 193,292.85 and 44,630.19 is: 66,929.31
Step by Step Solution
- Step 1: Write the proportion equation
128,892.66 : 193,292.85 = 44,630.19 : x - Step 2: Convert to fraction form
128,892.66/193,292.85 = 44,630.19/x - Step 3: Cross multiply
128,892.66x = 193,292.85 × 44,630.19 - Step 4: Simplify right side
128,892.66x = 8,626,697,345.99 - Step 5: Solve for x
x = 8,626,697,345.99/128,892.66 - Step 6: Final answer
x = 66,929.31
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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.