Finding the Fourth Proportional to 185,424.21, 278,148.06 and 71,626.30
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Solution
The fourth proportional to 185,424.21, 278,148.06 and 71,626.30 is: 107,443.99
Step by Step Solution
- Step 1: Write the proportion equation
185,424.21 : 278,148.06 = 71,626.30 : x - Step 2: Convert to fraction form
185,424.21/278,148.06 = 71,626.30/x - Step 3: Cross multiply
185,424.21x = 278,148.06 × 71,626.30 - Step 4: Simplify right side
185,424.21x = 19,922,716,389.98 - Step 5: Solve for x
x = 19,922,716,389.98/185,424.21 - Step 6: Final answer
x = 107,443.99
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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.