Finding the Fourth Proportional to 188,986.08, 283,519.80 and 94,267.20
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Solution
The fourth proportional to 188,986.08, 283,519.80 and 94,267.20 is: 141,421.09
Step by Step Solution
- Step 1: Write the proportion equation
188,986.08 : 283,519.80 = 94,267.20 : x - Step 2: Convert to fraction form
188,986.08/283,519.80 = 94,267.20/x - Step 3: Cross multiply
188,986.08x = 283,519.80 × 94,267.20 - Step 4: Simplify right side
188,986.08x = 26,726,617,690.56 - Step 5: Solve for x
x = 26,726,617,690.56/188,986.08 - Step 6: Final answer
x = 141,421.09
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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.