Finding the Fourth Proportional to 66,854.91, 100,284.18 and 19,468.08
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Solution
The fourth proportional to 66,854.91, 100,284.18 and 19,468.08 is: 29,202.65
Step by Step Solution
- Step 1: Write the proportion equation
66,854.91 : 100,284.18 = 19,468.08 : x - Step 2: Convert to fraction form
66,854.91/100,284.18 = 19,468.08/x - Step 3: Cross multiply
66,854.91x = 100,284.18 × 19,468.08 - Step 4: Simplify right side
66,854.91x = 1,952,340,438.97 - Step 5: Solve for x
x = 1,952,340,438.97/66,854.91 - Step 6: Final answer
x = 29,202.65
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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.