Finding the Fourth Proportional to 185,878.99, 278,661.73 and 80,618.68
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Solution
The fourth proportional to 185,878.99, 278,661.73 and 80,618.68 is: 120,860.03
Step by Step Solution
- Step 1: Write the proportion equation
185,878.99 : 278,661.73 = 80,618.68 : x - Step 2: Convert to fraction form
185,878.99/278,661.73 = 80,618.68/x - Step 3: Cross multiply
185,878.99x = 278,661.73 × 80,618.68 - Step 4: Simplify right side
185,878.99x = 22,465,340,839.12 - Step 5: Solve for x
x = 22,465,340,839.12/185,878.99 - Step 6: Final answer
x = 120,860.03
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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.