Finding the Fourth Proportional to 119,007.99, 178,424.49 and 56,722.23
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Solution
The fourth proportional to 119,007.99, 178,424.49 and 56,722.23 is: 85,041.64
Step by Step Solution
- Step 1: Write the proportion equation
119,007.99 : 178,424.49 = 56,722.23 : x - Step 2: Convert to fraction form
119,007.99/178,424.49 = 56,722.23/x - Step 3: Cross multiply
119,007.99x = 178,424.49 × 56,722.23 - Step 4: Simplify right side
119,007.99x = 10,120,634,959.41 - Step 5: Solve for x
x = 10,120,634,959.41/119,007.99 - Step 6: Final answer
x = 85,041.64
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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.