Finding the Fourth Proportional to 119,333.12, 178,887.88 and 40,392.08
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Solution
The fourth proportional to 119,333.12, 178,887.88 and 40,392.08 is: 60,550.28
Step by Step Solution
- Step 1: Write the proportion equation
119,333.12 : 178,887.88 = 40,392.08 : x - Step 2: Convert to fraction form
119,333.12/178,887.88 = 40,392.08/x - Step 3: Cross multiply
119,333.12x = 178,887.88 × 40,392.08 - Step 4: Simplify right side
119,333.12x = 7,225,653,559.99 - Step 5: Solve for x
x = 7,225,653,559.99/119,333.12 - Step 6: Final answer
x = 60,550.28
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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.