Finding the Fourth Proportional to 119,055.64, 178,624.68 and 79,234.44
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Solution
The fourth proportional to 119,055.64, 178,624.68 and 79,234.44 is: 118,879.09
Step by Step Solution
- Step 1: Write the proportion equation
119,055.64 : 178,624.68 = 79,234.44 : x - Step 2: Convert to fraction form
119,055.64/178,624.68 = 79,234.44/x - Step 3: Cross multiply
119,055.64x = 178,624.68 × 79,234.44 - Step 4: Simplify right side
119,055.64x = 14,153,226,489.98 - Step 5: Solve for x
x = 14,153,226,489.98/119,055.64 - Step 6: Final answer
x = 118,879.09
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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.